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A/N: I don't own Marvel or My Hero Academia, this fic will be about one of the most poweful character in the Marvel universe falling into the world of My Hero Academia.

P.S: I'm just gonna be making them already understand each other, unless their trying to read in a different langue.

Enjoy


Somewhere In Jersey.

A trail of destruction was left behind on the city like a scar as smoke bellowed out of crumbling buildings, police cruisers were either flipped over, or flatten like a pancakes, civilains ran away from the fight between the Avengers and Cain Marko A.K.A, the Juggernaut. Holding up his shield Captain America recieved a giant fist dead center sending him crashing into a building, Iron man swooped on by blasting at Cain with his repulser beams, the shots hit Cain on his helmet with steams of smoke coming off. Cain diggs his fingers into the road ripping out a piece of the street, holding over his head he plans to chuck it towards Mr. Stark, but Thor comes crashing down on him striking Cain with a swing of his hammer, and with that a massive gong-like sound was heard and a gust of wind kicking up dirt.

When the dust settled the Juggernaut was still standing, "we've done this dance before Blondie," Cain smack Thor down to the pavement making it crack, he grabs Thor by his ankle, "your magical hammer can't hurt me!" he stated clearly once again, and with great strength throws him through several buildings. Iron man hovered over Cain inside his suite he was locking on him, "Jarvis give him all we got," from his shoulders and wrists Tony unleashed all his micro-missles. The small projectiles zipped through the air and made contact with Cain.

A seires of explosion all went off once they made contact with Cain consuming the brute in smoke, there was a moment of silence as the smoke lingered, until a mailbox came flying out hitting Tony out of the sky and lands on top of a car crushing the roof. Laughing maniacally Cain steps out of the smoke without a single scratch on him, "HAHAHAHAAA! what's the mater? you can't be tired out already, too bad you don't have your green friend with ya, then maybe you could've stand a chance," he laughed feeling triumphant.

An arrow whizzed through the air, the tip of it stuck onto Cain giving out three beeps until it exploded, when the small puff of smoke cleared Cain turn towards Hawkeye annoyingly, "did you seriously think that was gonna slow me down?" Cain questioned the archer, "nah, that was just a distraction," Hawkeye taunted, "huh?" Cain said confusingly. A strong gust of wind was being blown downward onto Cain's head, the crimson brute turns around and sees the Fantasticar hovering above, "oh lookie here more bones to break," Cain chuckled beating his palm, "it ends here Cain, you're going away for a long time," Mr. Fantastic told him.

Cain laughed again finding it funny, "and where you're gonna put me? there's no prison that can hold me," Cain taunted for as long he has the crimson gem of Cyttorak he can not be contained or held down. Mr. Fantastic set one foot on the edge of the Fantasticar looking over Cain, "no, that's why a cooked this up," he pulls out a device that he strapped to his chest, the decive was a cannon capable of creating wormholes, "this will send you into the void where you can hurt anyone," Mr. Fantastic informed him.

Cain attempts to run, but Hawkeye fires an arrow at his feet, the arrow blows out a large burst of quick dry cement sticking the Juggernaut in his place long enough for the cannon to activate and fires a beam where Cain stands. A dark port open up wide enough for Cain to fall through, Cain grips onto the edge of the portal in a futile attempt to climb out, but the portal grew larger til he was on his finger tips, "don't think you've won, I'll be back," he swore til finally he slips, "I'LL BE BAAAAAAACK!" he yelled out as he fell in.

X

Void

Falling in an endless blacken abyss, Cain tried to stop himself from rolling as he fell though, "just FREAK'N! great now I'm trapped in GOD KNOWS WHERE!" he yells in anger to himself who knows how long he'll be in this void. Cain knows he'll be alright for all he needs is his anger to feed on to survive and he has tons spare, until suddenly a bright light shined on him, Cain felt his massive body being pulled towards wherever the light was coming from. The light was blinding as it was too bright to see what's on the other side, "awww... what now!?" he cried out as he was sucked up in the portal.

X

Musutafu City

The birds were chirping and the sun was shining, there wasn't a bank getting robbed, no one was getting mugged, not even a single car alarm went off, everything was going well in this peaceful Japanese city as for once it was a normal day for this usual noisy town. In the park there was this one couple that was having a wounderful day, as they were walking down the path, the man stopped his girlfriend, "Akiko-sama we've been together for four years," the young man stated getting down on one knee. He pulled out a small box and the young lady knew exactly what was happening, but still couldn't believe it, "will you do me the honor by marrying me?" the man asked opening the box to reveal an engagement ring.

The woman was consumed with joy, "I do! IdoIdoIdo!" she cheered rapidly, the man took the ring out of its case and was about to place it onto his fiancée until they heard a sound, "do you hear that?" the woman asked hearing a faint sound. The couple looked around to find the source of the sound, they heard starting to become louder and louder, they looked up and were surprise to see something big falling from the sky and splashes down into the lake beside the park's path.

The falling object created a large wave washing away the couple off their feet, once they gather their bearing the man sees the engagement ring being whisked away in a stream, "NO! THE RING!" he cried out with him and the woman chasing after it. Once the park was voided of activity Cain rose out of the lake spitting out the water that got in his mouth, "ugh... ! where the hell am I?" he said all groggy as he took in his surroundings. He was completely surprised seeing that the void spat him back out and into a random city, with flashy billboards writen in scribbles he didn't understand, but he can tell they all sponsored some sorta superhero that he doesn't recognize.

"I'm definitely not in Jersey no more," he noted to himself he turns to leave, was surprised to see that there was a little child standing right in front of him, she had dark green pigtails, a round head, and big eyes, making Cain assume she's a Mutant because she reminded him of Toad. She just kept staring up at Cain in amazement, "why don't you take a picture it'll last longer," Cain told the child sounding annoyed, the girl then pulls out a phone from her pocket and just simply snaps a photo. Cain grinds his teeth as the girl was really getting on his nerves, he was about to do something until an older girl came up with the same hair color as the smaller girl's. The teen girl runs up to the little girl's side grabbing her by the arm, "Satsuki don't run off like that," she told her, "I'm so sorry sir," she turns away and quickly walks off with the little girl still looking back.

"Freak'n Mutants," Cain quietly cursed as the two disappeared, Cain walked off seeing that there was a new world ripe for the taking.

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Later

Cain hanged out in an alleyway hiding behind a trash bin as he looked out to see all shorts of freaky people, some had long floppy ears, others had a flower growing out from the top of their heads, and there were people with dog or cat heads instead of human ones. He looked around trying to read something on the store signs, "am I in China or something?" he asks himself, but quickly figures out where he really is seeing the obvious Japanese flag at one store. While there was many stange things Cain saw he soon noticed a costumed hero just walking down the street like it was a sunday walk, he then looks up to see another hero just flying by, and just waves to everyone down below.

"You gotta be kidding me?" he groaned in annoyance, "how in hell am I suppose to get around?" he ponder trying to come up with a plan to sneak around the city, but he just realized something, nobody knows him here. Cain took deep breaths as he looked onto the passing crowd just minding their business, "alright Cain just act natural," he told himself and just walked right out in the open. He's doing it, he's actually walking out in the middle of broad daylight where everyone can see him, most people didn't pay any mind to him, like he was a normal human being, he never felt that way in so long.

Some people did somewhat took notice of him, but that's just because of his huge size, as he walked down the street Cain came across a small jewelry store with its most valuable gems right up front of the glass. Cain looked onto the stones as it was very tempting all he had to do was just reach out and take it, "eh, what the hell," he figured seeing that he was planning to do bad stuff anyway. As he was about to break in someone from behind tapped on his back side. He snaps back around looking at two random kids both boys, "hey can we take a picture with you mister?" one of the boys asked looking up to him, not wanting to cause a scene Cain plays along, "uh... ? sure," he agrees. Cain kneels down very low as to get in frame the two boys held out their phones about to take the picture until a huge muscular man big as Cain punched through the store.

Bits of glass flew out, but thanks to Cain already kneeling over the boys they ran off without a scratch, "aw WHAT!?" Cain yells out, he was gonna rob that shop, "this is too easy," the thug commented grabbing a fist full of the gems. The man's skin looked pink with muscles on his shoulders that went over his head which acted like a hood, Cain approached him feeling very angry, "hey buddy I was here first!" Cain told him shoving him away. The villain known as, Trapesius Head Gear, stumbled backwards dropping the stones, "beat it tin-man or I'll throw you in recycle," Head Gear threaten, "like I'm gonna let a talking hemorrhoid scare me off," Cain snapped back.

"That's it! you domed headed punk! I ain't gonna let some hero mock me right in my face and get away with it!" Head Gear reeled his fist back and swung it forward with much speed, but was stopped when Cain brought up his wrist blocking the swing. Cain gave a left hook right into Head Gear's guts knocking the wind out of him, Head Gear drops down to both knees while he held onto his gut, and Cain raised both fist and slams it down over Head Gear's head. Cain struck down Head Gear so hard that it made a big crater knocking the villian out, "what? I thought you were mr. tough-guy," Cain mocked the down villain over his easy victory. Cain was about grab what he can and tail it out of there, until- "hey there fellow hero, that was some pretty quick work you did there," said a voice.

Cain turns around seeing that a man in blue standing before him, he wore dark pants with white boots, bright yellow gloves, and had a helmet with a blue visor and a fish fin attached on top, "that was some fine hero work sir, but I don't think I've seen you around here before," he stated. Cain darted his eyes back and fourth nervously if he said the wrong thing he could be back where he started, "well... That's because... I'm new," he figured out a lie, "yeah I just moved here from the States," he added.

"The States! well then I'm, Manual, and welcome to Japan," Manual introduced himself, "so what's your code name?" Manual asked, code name? that confused Cain, was he talking about hero names? "uh... my name... it's the Juggernaut," Cain gave him his title. Manual seemed amused, "well that name sounds very fitting seeing what you did to him," Manual commented as Trapesius Head Gear was being hoisted up by a truck with a crane built in the back. As the authorities loaded the villain into the armored car the crowd near by cheered, "looks like the locals like you already," Manual told Cain, "hey you're going to the Pro Hero meeting about budget spending today, right?" Manual asked.

Cain didn't want to spend too much time with a hero longer than he has to, let alone a meeting full of them, "well you se-" "wait who am I kidding, of course you are it's a very important meeting, nearly every pro is gonna be there," Manual cut him off before he can come up an excuse. Manual turned Cain around now both heading in the direction of the Pro Hero Head Quarters, and in Cain's mind he was shouting all sorts of profanity, how was he gonna get out of this.

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Soon After

The two were now standing in front of the Pro Hero H.Q. just right in front of the gate, "well here we are H.Q," Manual said, "c'mon they're probably waiting on us to start," Manual guided Cain through the entrance. From there Cain thought maybe when Manual realizes he's too big for the elevator he can sneak out through the stair well, but that plan was quickly thwarted when Manual reassure him that this elevator is specially made for something like this, hooraaaaay...

After a long and quiet elevator ride all the way to the top Manual and Cain stepped out, walking down the hall Manual opened the doors to the conference room, there Cain saw the heroes of Musutafu City. There was Best Jeanist, Kamui woods, Mt. Lady, Death Arms, and many more, but all them instantly took notice of the nine and half foot tall man, "... glad to see you made it on time Masaki-san, but who's this?" Gang Orca asked pointing to Cain, "yeah Masaki, mind introducing us to your friend, because I love to be aquainted," Mt. Lady ask pretty much flirting.

"This big guy here is the Juggernaut, I just met 'em after he apprehended a villain robing a jewelry shop," Manual explained, "why haven't we seen him before?" Kamui Woods questioned, "I just moved here," Cain immediately answered, "from America," Manual added. Some of the heroes now took in more of an interest in Cain, "wait, why weren't we informed of a transfer?" one of the others asked becoming suspicious, "It... was uh... last minute thing that's why, they were in a hurry or something," Cain lied his way through.

"You're doing alright Cain, just be cool, pretend to be one of them, don't look at the blonde with a great rack," Cain mentally told himself, "alright when can we start this meeting?" Manual asked eagerly, "right now," and in came the last person needed to start the meeting. The man just barged right in, had a broad build, dressed in a mostly dark blue suit, and had literal fiery hair, "I see you finally found the time to join us Enji-san," Orca spoke, "if you're asking for an apology, forget it," Endeavor shot back.

"What's with hot head here?" Cain asked leaning next to Masaki, "huh? that's Endeavor," Masaki simple told him, but Cain only rose one brow, "he's the number one ranked hero in the world, he resolved the most crime cases in history, he even defeated High-End," Masaki listed Endeavor's achievements. Cain would've just puffed out a small amount of air, not impressed one bit, but remembers where he is, "uh... oh yeah now I remember," Cain lied. Endeavor took notice of Cain's presences, "who are you?" he questioned sternly, "this is Juggernaut, he just got transferred from the States," Masaki explained, "really?" Endeavor replied facing Cain.

"Where did you receive your hero training?" he questioned, and that's where Cain hit a brick wall, "pardon?" Cain said confusingly, "I said which hero training school you registered in?" Endeavor pressed on. Cain was really in a tough spot because he has completely no idea what he's talking about, "answer the question! or don't you even have a hero license at all!?" Endeavor started to figure it out, "shit! this guy really is a good detective," Cain thought. Everyone now was starting to take the number one hero's side seeing that Cain wasn't answering the question, "Masaki you just brought in a vigilante into H.Q?" Kamui Woods said can't believing what is going on.

The heroes in the room surround Cain cutting off the only door out of the room, "you're completely surrounded by the best heroes in the city, with no means of escape, so it's best if you just turned yourself in," Endeavor instructed. Seeing that there's no point anymore to lie Cain gave a menacing grin, "what are you smiling at vigilante?" Death Arms demanded, but Cain gave a small chuckle, "hehehehe, do I look like a vigilante to you?" Cain told them basically admitting he's a villain. Endeavor was first to strike with quick speed and strong force he ignited his fist and swung it directly into Cain's chest, there was a strong explosion going off in the conference room, but when the smoke cleared Endeavor stood there gasping in shock as Cain didn't budge one inch.

He just chuckled finding the attempt laughable, "sorry to break it to ya, but you're nothing, but a birthday candle to me," Cain mockingly told him, before Endeavor could follow it up Cain smacked him through the floor sending him all the way to the basement. Kamui Woods and Manual tried to rush him on the sides, but Cain swatted them away with a wave of his arms, "you low life villain!" Death Arms shouted in anger with him and Orca standing at one end of the room. Cain smirked as he just charged straight towards them easily smashing through the table as if it were never there, Death Arms tried to match him planning to halt him right there, but Cain gained enough speed to knock him out of the way. Orca stood his ground from the incoming villain, right at the last moment Orca stepped aside letting Cain run pass, and crashing out the window. Cain fell all the way to the bottom, "I guess that takes care of that," Mt. Lady figured, "guess again," Best Jeanist responded looking out the broken window. Everyone looked to the bottom of the building where they can obviously see a big red man standing at the entrance.

"Nice try dumbasses, but it's gonna take more than a little tumble to stop me!" Cain shout to the top, he then turned away and started running, "get the authorities on the phone tell them we have a villain on the lose," Orca ordered. Cain just steamed his way down the street smashing, crushing, and knocking everything that was unfortunately enough to get in his path, the city was in a rude awakening for the Juggernaut was here.


A/N: That was the first chapter I hope you enjoyed it so far, please let me know what you think.