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Marvel vs. Aliens
Author: Ty States
System: Marvel Super Heros
Category: Super Hero
Requirements: any number, large or small, could be used
The Marvel Universe takes on the Aliens in an all-out battle for the planet Earth.
The Exploration Vessel Mardicus hurtled through space at a speed a thousand times the speed of light. It's
outward appearance gave no hint of danger or threat. It's peaceful appearance however was only a mask for
the terror that lurked inside.
"Give me a damage report Masus." the captain ordered tensely. For all he knew, he and his first mate were the
only ones left alive on the ship.
"Communications are down." Masus said. "Engines are still operational, but I can't shut them down.
Navigation is partially down..."
"What do you mean partially?"
"I can find out where we're headed, but I can't change course. It's as if these things were deliberately disabling
our key systems, one by one."
"What about internal sensors?" the captain asked. He was grasping at straws, he knew. But there was nothing
else to hold on to. Even hope had become a luxury he could not afford.
"Sensors are off line." Masus said, frustrated. "But our internal communications are still working." He went
through the systems one by one. The only one still working besides internal communications and navigation
was life support.
Internal security systems had been among the first to go. The door to the bridge was welded shut. That should
keep anything from getting in, but it also trapped them in. "Sir," a hint of panic beginning to creep into his
"Please hold together Masus," the captain thought. "Don't fall apart on me now."
"What's wrong Masus?" he said aloud.
"Sir, internal communications are still working, but, I can't raise anyone."
"So," the captain said sadly. "We are the last." His melancholy thoughts were rudely interrupted by a loud
bang on the door. Masus' head jerked up.
"They've found us."
"Indeed they have. However," he grabbed his gun from its holster. "They will not do to us, what they did to
the rest." He took one last look out the view screen. His gasp of horror was drowned out by the increasing
volume of the pounding on the out side door.
"Quickly Masus!" A dent appeared in the door. "What is our heading?"
Masus looked quickly at the console.
"By the Phoenix no!" Another dent. "We're headed for Earth. That's a heavily populated planet!" Now the
dent's had grown to bulges.
"Masus, please tell me the self destruct still works." Masus appeared about to answer, when with a great
screeching of metal, the door gave way. Masus grabbed his gun, only to have it knocked from his hand. He
grabbed the creature's arms, and hurled it away from him. He reached desperately for the self destruct
mechanism, but before he could reach it, he felt a stabbing pain in his back and stomach.
Captain Noras watched as his friend was impaled on the creature's tail. He knew he would never reach the
controls in time. There were now five of the creatures in the room, and more were probably on their way.
"If there is any justice in this universe, they will be killed in the crash." He raised the gun to his head, and
pulled the trigger.
The ship continued on its course toward earth. It's peaceful appearance not revealing the awful nightmare
about to begin.
Summary: A Shi'ar ship crashes near Generation X's headquarters. An Alien parasite is found attached to a
Shi'ar soldier and is brought back to the compound.
Starting: Generation X are all at headquarters.
Heroes: Generation X- Banshee, Emma Frost, Husk, Jubilee, Monet, Synch, Skin, Penance, Mondo,
Chamber, Artie, Leech, Gateway.
Paige is on the roof of the main building looking at the stars. Angelo and Everett are watching TV. Paige sees a
shooting star, but then notices that it doesn't disappear. It keeps descending. Soon there is a flash of light and
you hear thunder. The TV reception flickers for a second and you hear thunder.
You hear Emma's voice in your head, "Come to the computer center quickly." Once everyone is there, Banshee
begins the debriefing. "A Shi'ar ship has crash landed about five miles north of here. We're going to go check
out the ship for survivors, and try to find out why the ship crashed."
GM's Background: The wreckage burned. Nothing moved in the fiery light at first. Then, impossibly,
something stirred. Metal scraped metal, as the side of the ship was ripped open from within. A strange,
hideous creature emerged from the inferno with it's two burdens. Drops of it's blood hit the ground, and hissed
as they dissolved the topsoil. The creature was dying, and in some primitive way, it knew this. But it would
not allow that fact to deter it from it's purpose.
In one arm, it carried an ovoid shape. An egg. In the other, it carried a man. The man was burned badly, but
he would live. But not for long. On his face was another strange creature. It resembled a large hand, with a
tail and too many fingers. The tail was wrapped around his neck, and the fingers clutched his head.
Behind it, another creature, and another emerged from the wreckage, their nighmarish forms glistening in the
light from the fire. The first creature dropped the man, and continued into the forest with the egg. The other
two also entered the forest, but in another direction, both of these creatures were unharmed.
The player's can take the team's jeep out to the crash site. A fire is still burning and it is very hot. The flames
will eventually burn themselves out. Anyone flying to the scene see's someone on the otherside of the clearing
that looks unconscious.
Once it's safe to approach the ship it looks like it could be a small scout ship. Upon investigating the ship, they
find what at first looks like an entrance. However, the hole seems to have been ripped open rather that blown
open. Inside they can determine they are in the engine room.
Allow whoever enters the ship an Intuition feat roll. Success indicates they notice or feel that something is very
wrong here. There is some type of item attached to the machinery. Make the players quickly decide what they
do. The device is a bomb and it will go off one round after they roll their Intuition, causing MN (75) damage.
There's nothing left of the ship after the explosion. The players may figure out that whatever was on the ship
the crew didn't want it to get out, but judging by the hole in the wall it looks like it did.
When the players check on the unconscious Shi'ar, they see something on his face. It fits over his head like a
mask with eight legs wrapped around his head and a long tail wrapped tightly around his neck. If they touch the
thing, it tightens the grip on the man's neck. They will need to take him back to the infirmary for a better
Answer any questions as they examine the patient and the thing on his face. It cannot be pulled off, any
attempts only tighten its grip around the man's throat. If they try to cut it off, then yellow acid blood sprays
across the room.
At some point, whoever is in the examining room hears a sucking sound. The alien begins to move and detaches
itself from the man. It will die if left alone, but run any attacks the players may launch. The man's vital signs are
stable and he seems fine.
GM's Interlude: Matt silently cursed Jameson for sending him up to Massachusetts to cover some
F.O.H. rally in Boston.
"Man if I wanted to hear some fascist bullshit, I'd go visit my hick cousin in West Virginia. At least then I'd
hear shit about Blacks, Jews, Foreigners, City Folk _and_ Mutants. A wide variety of Bigotry. Not limited to
a single ethnic group. Damnit Jameson! Who want's to read about that shit any way?" On top of all that, Matt
hated to travel. He hated sitting behind the wheel of a car for hours on end. "It wouldn't have been so bad if
he'd let me fly. But nooo! He's too cheap to pay for plane tickets. Man that Parker got all the cushy
assignments. All he had to do was chase around the city after Spider-Man. And now that new guy Ben Reilly
managed to clinch that job. Some guys get all the luck."
Matt's thoughts were interrupted by a sudden pressure from his bladder. He cursed again and pulled over to the
side of the road. He opened the door and hurried a few feet into the woods to relieve himself. After doing so,
he started back to the car, but stopped. He thought he saw something in the bushes to his right. He pushed
them aside and stared in amazement at his find.
A dead creature lay next to some sort of egg. At least he thought it was an egg. The creature was jet black, it
seemed to be bipedal. It's head was elongated, like a banana, and it seemed to have two mouths. A second
protruded from the primary one. He crept closer to the egg to make sure it was what he thought it was. As he
approached, the egg slowly began to open.
He stopped, hovering between his intense curiosity, and his urge to run screaming in terror and leave the
country. In the end, curiosity won. He crept closer to the egg, peering in. The creature inside was like nothing
he'd ever seen. It was moving slowly, like it was still weak from the birthing process. Matt smiled. "How
could anyone be scared of a little thing like-" The creature sprung.
Summary: The Alien emerges from its host and escapes Generation X headquarters. The heroes may meet the
Aliens adult form for the first time.
Starting: Generation X headquarters.
Heroes: Generation X
That night, Jubilee and Monet cannot sleep due to thoughts of the parasite. They can check on the patient or
find something else to do. If the players go to the infirmary, the man starts to twitch. Then the twitching turns
into convulsions. His eyes open and he emits and eerie, agonizing scream and begins to thrash about.
Conversely, if nobody goes to the infirmary, that night screams can be heard down the hall.
A red stain begins to appear on his shirt and his chest starts to bulge. Then with a ripping sound his chest bursts
in an explosion of flesh and blood. There, protruding from his chest like a hideous Jack In The Box, is the head
of most the horrible creature you have ever seen. The thing is about two feet long with arms and legs and very
sharp looking teeth. It immediately escapes through a ventilation shaft before the players can act.
A fully grown Alien has made its way into the compound. It finds Emma Frost in her room during the night. If
she is a PC it catches her as she's falling asleep. The creature is invulnerable to mental attacks. Frost awakes
from a nightmare of the man in the infirmary. He is dying and in terrible pain. As she gets up to leave, she
becomes aware of the Alien. It then attacks.
GM's Interlude The sun was rising when Matt woke up. He did not know what had happened at first.
Then he saw the body next to him and it all came back to him. He shuddered, remembering the feeling of the
tube being forced down his throat.
"I wonder why it let go?" he thought. He dismissed the thought. It wasn't really important. What was
important was the look on Jonah's face when he saw these things. He dragged the body of the larger creature
to the trunk of his car and dumped it in. Then he went back for the egg, and the smaller creature. He'd better
get a move on. He was behind schedule already.
Summary: The heroes begin to search the grounds for the Alien. They then meet the Alien in its adult form and
Starting: Generation X headquarters.
Heroes: Generation X
The team is going to need to split up and search the entire compound and grounds for the creature. Let them
break into teams and formulate their plans. Suggested teams if Banshee is an NPC are: Mondo and Penance
search the lower recesses; Husk and Chamber search the grounds; Monet and Skin are using the computer and
watching the security cameras; Jubilee, Synch and Banshee check the buildings. Everyone is given radios to
keep in touch. Artie and Leech are left in their tree house. It is likely that Emma Frost was killed in the night.
Wait and see if the PC's look for her when preparing to start the search.
If someone is in the computer room and using the security cameras, they find the Alien first. It is in the tunnels
below the compound, and has grown quite considerably. The Alien is hanging above the players in the tunnel
and will attack.
There is another Alien in the compound and it will drop down on the heroes in the computer room. If at any
point Mondo tries to adsorb the Alien, it doesn't work. The Alien will eventually override his thoughts and take
over his body.
A third Alien is somewhere else in the building and will find the group searching there. Play out the various
combat. Aliens must be played absolutely ruthless and try to kill everything they encounter. The GM must
decide how many player character and NPC deaths he is willing to accept to run this adventure properly. One
way is kill the NPC's first. There could be any number of deaths as the heroes meet up with the Aliens for the
When everything is over, the players find Gateway somewhere on the grounds. He can take them wherever they
want to go. Most likely to someplace safe so they can contact Prof. X. Suggestions for possible casualties are:
Banshee, Chamber, Husk, Mondo, Skin, Synch and Emma Frost. Another thing to keep in mind is the impact
these deaths will have, which should weigh in deciding who you as GM won't mind killing. Get rid of heroes
you don't like, look at is house cleaning for your universe. These are all just ideas. If nobody dies from the
invasion the impact of it will be lost, and they will not be perceived as that big of a threat.
Summary: Spiderman catches a glimpse of an Alien as a car crashes in front of the Bugle.
Starting: New York City.
Spiderman just arried on the roof of the Daily Bugle. His thoughts are interrupted by the sound of screaching
brakes and a woman screaming. You see a woman leap out of the way of a car that had swerved onto the
sidewalk and crash into a streetlight on the corner.
As soon as Spidey approaches the car, his spider-sense goes wild. As soon as he gets next to the car, something
hurtles out the passenger window right over his head and streaks down the street. The Alien just wants to get
away, and will only fight Spidey to do that. The driver Spidey recognizes as Matt, a reporter from the Bugle.
He's dead. The body looks like his chest exploded.
GM's InterludeThe New York City sewer system, a world of darkness, filth, and rats. If something
goes wrong, not many are brave enough to go down there and fix it. Martin and Bob are two such individuals.
"I hate this job." Martin complained.
"Yeah but it's the only one you could get Marty. Next lifetime, don't drop out of school." Bob replied. "Just
keep an eye out for that damn powerline that's on the fritz."
"Shut up Bob."
Neither of them noticed, as one of the shadows behind them, moved.
"You wait here for a minute Bob." Martin said. I'm gonna go back and see if we missed it."
"Yeah you do that." Bob said.
Martin headed back the way they came, chuckling softly. He knew that Bob was a sucker for horror movies,
and he'd often bragged that nothing could scare him. "Well old friend," Martin thought. "We'll soon see about
that." Then, he heard Bob scream. The scream echoed eerily down the sewer tunnel, unnerving Martin.
"Bob you asshole!" he shouted. "Couldn't you have the decency to wait till I scared you before you screamed?"
There was no answer. Martin shined his flashlight in the direction of his friend. His light glinted off of
something but he couldn't tell what it was.
Slowly, he inched back towards where he had left Bob. He didn't know what Bob had planned for him, but he
didn't intend to just walk blindly into it. Suddenly, he stopped. He played his light on the walls of the tunnel,
stunned. Where before they had been a monotonous grey, now they were red. He touched the wall,
and his hands came away wet. It was blood. He turned quickly, intending to run so fast and so far that
whatever had done this would never find him. But it was too late for that. The darkness before him moved.
One of the shadows separated itself from the others and came for him.
In the sewers, no one can hear you scream.
Summary: The Punisher takes to the sewars in search of what has been causing recent killings and
disappearances. He meets up with the Aliens.
Starting: The New York sewars.
Read the following journal entry to the player to set up his current knowledge of what is going in the city.
"Punisher War Journal: Entry #1009- There is something beneath the streets of New York. That little brown
monster that someone said they saw kill a reporter. Or maybe it's some gang that's using the sewers and
subways as a hideout. Whatever it is, it's preying on the innocent people of New York. And it's punishment
"Several people have been reported missing in the past three days. The most recent was a subway train that
was wrecked. Everyone on board, was gone. The Engineer, the passengers, everyone. Without even a trace.
The only clue were some huge holes torn in the side, and places where the metal had been melted through.
"This is the first time that I truly don't know what I'm up against. Therefore, I'm going in armed with the
biggest weapons I've got. Whoever, whatever is down there, is gonna pay. Big time."
Let the player choose what weapons he wants to have with him. He can carry two knives, a machete, an extra
heavy-duty machine gun with two bandoleers and extra ammo. Two automatic pistols, an uzi and an automatic
rifle. These are just some suggested weapons, it's up to the GM to decide how much he can have with him and
what types of guns.
The Punisher can start in the sewars where the two workers disappeared. The blood stains say that it was
violent, but no sign of a struggle besides that. There are no bodies, no tracks, nothing. After about an hour of
searching the tunnels, tell the player he thinks he being followed. You can tell there's more of them up ahead.
The Aliens then pounce on the Punisher.
The GM needs to use a number of Aliens that will seriously give the Punisher a hard time, but allowing him the
chance to survive the encounter.
Summary: The X-Men awake to find their mansion overrun by Aliens.
Starting: X-Men Mansion
Heroes: Uncanny X-Men (Charles Xavier, Wolverine, Jean Grey, Cyclops, Gambit, Bishop, Iceman, Beast,
Cannonball, Havok, Random, Fatal).
The X-Men have been having a hard time sleeping. Wolverine's instincts are telling him something really bad is
going to happen. He is outside the mansion where he normally sleeps, and can smell the Aliens. They aren't
human or Shi'ar, and are close. He must make a Reason feat roll or his feral side takes over and he goes off on
his own. The scent leads him to a man-hole cover, reminding him of the Morlock tunnels.
Xavier is up in his room reading. He's had a strange and unnerving sense of foreboding all night. He and Jean
have been having the same disturbing dream, of a huge and terrifying creature that stalked them. They were
caught in the dream and died everytime they had it.
Xavier suddenly senses the presence of something in the mansion. He thinks of the Morlock Tunnels as a
possible means of entrance. Scott and Jean are over in their cottage across the lake.
The players will soon notice as they wake up to Xavier's voice in their heads that the power is out. Each of the
other heroes are in their respective rooms.
Gambit encounters an Alien after leaving his room. The players soon find out about the corrosive nature of the
Alien's blood after fighting one. Bishop meets up with Gambit in the halls and are soon attacked by two more
Iceman awakes to find one in his room. Storm meets up with him to watch each other's back. Beast and
Cannonball meet up with another one as the players work they way towards each other.
GM Note: depending when you want to set this adventure in Marvel continuity, Beast can be substituted with
the Dark Beast from AoA as an NPC, unbeknownst to the players.
Summary: X-Force contain the Aliens in the Morlock Tunnels as best they can.
Starting: Outside the X-Men mansion.
Heroes: X-Force (Cable, Siryn, Shatterstar, Meltdown, Caliban, Domino).
Xavier's mental message about the Aliens presence also went to X-Force. They were told to keep the Aliens
from exiting the Morlock Tunnels. All the team members encounter Aliens throughout the tunnels and in the
surrounding forest. Let the players deploy however they want, each group will meet up with the Aliens. This
can go on as long as you feel necessary.
After the resulting combat is over, Xavier again reaches out to Cable. Reed Richards has called a meeting of all
superheroes who can attend to Four Freedoms Plaza. Pass the word onto any other heroes you meet.
Summary: The city's heroes continue to fight the Aliens wherever they turn.
Starting: the city
Heroes: Cloak and Dagger, Spiderman, Black Cat, Hulk, Daredevil and Elektra
Cloak and Dagger come upon two teenage boys about to mug a woman in the subway. One has a knife, the
other a gun. After saving her, she then runs to get on the train. She then screams and runs the other way as a
big, black bug exits the train.
Spidey and Black Cat prepare to enter the sewars. Spidey says that, "a priest who was on one of the subway
trains to get attacked managed to get away. He put a personal ad in the Bugle asking to talk to me. He told
me the passengers had been taken away by monsters that could only have come from hell."
The Hulk is on the subway wondering why he came to New York for vacation. Some loud thumping starts on
the roof, then a black bug-like creature rips through the roof.
DD and Elektra meet up on the city's rooftops looking for the Aliens. The GM needs to get everybody to head
to F.F. headquarters for the big meeting. If the players don't decide to go there themselves, Xavier can be
scanning for heroes and telepathically tell them of they can meet someone else who is heading there.
Summary: Wolverines finds the Aliens' nest below the city.
Starting: New York sewars
This chapter takes place if Wolverine went below the city on his own in search of the Aliens. It could be used
with any lone hero in the sewars. Logan's senses tell him he's very close, the smell of death is everywhere. The
walls of the nest are lined with the bodies of the victims, their chests ripped open from the inside. The things are
all around you, but they are keeping their distance.
One of the victim's is not dead. At least not yet. He begs you to kill him before he ends up like the others. The
Aliens only watch the character, unless he kills the man. This enrages them and with a screech they attack. The
number of Aliens in the fight is up to the GM. Ten might be a good number for Wolverine. Enough to weaken
him but his regeneration should keep him going.
This is a part of the adventure that the GM needs to decide if he wants to impregnate one of the heroes with an
Alien egg. Wolverines could survive the chest burster's arrival, others probably wouldn't. After the fight he is
weakened and may not notice one egg left. The Face-Hugger's leaps onto the hero's face.
Summary: The heroes meet to discuss the Aliens and formulate battle plans.
Starting: Four Freedoms Plaza
Heroes: all of them
If Xavier or Reed Richards are NPC's they can start the meeting. Discussion of what everyone has seen so far
would be good to try and learn more about the Aliens. The Aliens have begun to venture out of the sewars and
more people are being taken by the hour.
To destroy them, they must destroy the nest. They need to find it first. A possible search team to head back
down into the sewars and look for the nest is Spiderman, Shadow Cat, Sabretooth and Dr. Strange. Another
strike team could wait here for word of where the nest is and then attack. A third force hits the streets to slow
down the Aliens there. These are some guidelines of what the heroes could do, see what the players come up
with. The force waiting to hit the nest could consist of: Fantastic Four, X-Factor, X-Force, X-Men, Avengers,
Hulk, Firestar, Cloak, Dagger and Venom. Fighting in the city could be Black Cat, Namor, Excaliber, Morbius,
Ghost Rider, Karma, Moonstar, Daredevil, Elektra, Iron Fist and Deathlock.
Summary: Wolverine recovers from his fight with the Aliens and heads for the surface. Along the way he meets
Starting: Aliens nest.
Heroes: Wolverine, Punisher
Whatever hero was in chapter 9 is used here. Along the way back out of the sewars he meets the Punisher, who
looks horrible after his meeting with the Aliens in chapter 5. The two need to get out of there and to Four
Freedoms Plaza, or somewhere to inform everyone else where the nest is.
Summary: Wolverines arrives at Four Freedoms Plaza with the knowledge of the nest's whereabouts. The chest
burster then comes out.
Starting: Four Freedoms Plaza
Heroes: remaining hero's at headquarters
Wolverine makes it back to headquarters to tell the others where the nest is. If the hero was impregnated by the
Aliens, this is the time it comes out. The heros need to kill it before it escapes.
Summary: The heroes take the fight to the streets.
Starting: streets of New York
Heroes: city contingent
Run combat in the streets as long as you like. The hero's may want to go into the sewars later, back to
headquarters, run whatever happens here.
Summary: The team searching the sewars for the nest finds it.
Heroes: Spiderman, Shadow Cat, Sabretooth and Dr. Strange
The nest searching group can either find it themselves or the GM can have the Aliens find them. They should be
vastly outnumbered in either case, and should call for backup immediately.
Summary: The search team finds the nest and is holding out for backup.
Starting: Aliens nest.
Heroes: Spiderman, Shadow Cat, Sabretooth and Dr. Strange
The team that found the Alien nest is soon joined by the main strike team. Play out a huge battle here with the
Aliens. After the heroes have survived this fight and it seems over, they need to find or discover that not far
away is another room with a lot of eggs and the Queen. This is the final conflict, the heroes don't have time to
rest or heal, they need to finish the fight here and now.
Surviving this adventure warrants a sizable Karma award. How much is left up to the GM, though a bonus
should be given if they role-play well by not allowing their own knowledge of the Aliens affect game decisions
before the hero would know the same things.