This isn't the first time something weird came out of the pipes for these heroes.

Izuku lands in the Pokemon universe full of adventure while gaining a new family while taking on the Unova league to get strong enough to achieve his new dream.

Marinette & Adrien have gone their separate ways for the time being. For several months, things have been going pretty well. When things start returning back to normal, two new classmates show up out of nowhere. Things start to unravel & everyone is getting together to find out what’s going on. Little did they know that something was going on in the shadows… A sequel to AMFT & Q&MC

Jayluf Viller is a normal teenage human being that sometimes feels that he's... something not normal. Having lived in a research facility all his life, he'd never seen the outside world, at least until now. Although his past is shrouded in mystery, he's confident he can become the one thing he's trained to be, a hero! But his quirk may be more than meets the eye.

Due to the meddling of the GateKeeper Catherine Elizabeth Halsey, from the Halo Universe was raised in the MHA universe. Because of that, when All Might was critically injured, Halsey was given the go-ahead by the HPSC to begin the Spartan project.

Summary inside

More detailed summary inside./ Summary in a nutshell. Miruko gets sucked into the Doom Universe and then meets Doom Slayer, who is apparently izuku midoriya, and they go back to the MHA Universe to kick some demon ass.

More detail summary inside, shortened summary: Izuku is such a trouble magnet that he becomes the most feared vigilante in the world and gains the title of Baba Yaga, 'All By Accident.'

Full summary inside: Izuku along with many others get trapped in SAO and after 2 years of fighting for their lives, they are finally out. What happened during their time in SAO and how would the rest of their lives turn out?

In a world where fantasy becomes reality, Wade Walker is one of the "Quirkless". That all changes when a mysterious spider grants him powers he couldn't have imagined. He's then asked by the world's greatest Hero to take on his power. Follow Wade as he becomes the Spider-Man of Earth-675. He and his friends will take on the Villains and threats greater than they could ever image.

Jedah Dohma tries to use the infinity stones again despite being cracked, now a new world has been pulled in. how will the world of MH react? Rating might change later.

Stilwater. A place where the heroes are as bad as the villains. Where drugs, guns, and sins spill through the streets. Phil Playa nearly succeeded in uniting the city under the banner of the Saints, but failed due to betrayal. Now, five years later, he's woken from his coma to find Stilwater is both the same, and yet vastly different. Time to fix things. Again.

Izuku Midoriya has a lot of things to deal with. One, he acquired a Stand at a young age and was trained by the best. Two, he inherited a very powerful Quirk from the number one hero. Izuku has a lot to live up to from both the Symbol of Peace and the Stand User of Star Platinum. With the help of his friends, can he become the greatest hero ever?

My name is Izuku Midoriya. I'm sure you've heard it countless times before, I'm quirkless, I get a quirk from All Might after an act of heroism, blah blah blah, that's not me. I was bitten by a radioactive spider, granting me the powers of a spider, and I became the one, and ONLY, Spider-Man. I'm pretty sure you know the rest...

He was going to become !

What would a crossover story between Spider-Man and My Hero Academia look like...? Well, I mean, I have a lot of ideas on how it might go, but none of the actual time to put it into real words. So instead, we'll just have to make due with a giant summary of the plot and ideas that I have in mind.

Quirkless, weak, useless. These are the words he has heard his entire life, that he'd never amount to anything, much less be a Hero. Even so, no matter how badly life tried to put him down, he never gave up. When a chance encounter with the beautiful Rias Gremory turns his life around, Izuku Midoriya, now a Devil in Rias's Peerage, is given the opportunity to fulfill his dream.

A fusion never before done creates a major problem. Ladybug and Cat Noir have been blasted out of the timeline of the world to an unknown point in the distant future. All those who watch over the pair can do is wait for time to catch up to them. What will the world be like when they return? Where will they be? And what the hell is a Quirk?

It was a normal mission for Snake, infiltrate the complex, extract the tanks, and get out. Now he's in a world full of heroes and a wanted man, even if the world doesn't know it. It's not all bad though, not when he still has MSF following his orders. So come along as MHA is introduced to the legendary soldier, Big Boss. Also on AO3.

Izuku has took his first step on becoming the greatest hero in the world after completing his training with All Might and inherited his Quirk: One for All, and then suddenly a dragon girl shows up out of nowhere says she wants to become Izuku's maid after saving her in the forest. Now Izuku will have to deal with dragons showing up in his life. IzukuxHarem. Lemon. Female Dragons.

It had only been a week since the Sports Festival, and Midoriya was hoping he'd get some small peace and quiet. Instead, he's greeted with a bright flash of light that covers Japan in seconds. When the light eventually faded away, a city appeared miles from Musutafu's coastline. A city, named Gotham.

Ochako Uraraka finds herself unexpectedly taking on the mantle of the Omnitrix wielder from Ben Tennyson. As Ochako begins to explore the capabilities of the Omnitrix, she must also navigate the complex relationships and alliances, all while facing off against increasingly powerful enemies. Cover by @ZebraKnight1 on Instagram

Since childhood, Izuku knew that he was different from other people. But he never realized just how true that was. When he was just Quirkless, he worried he would never become a hero. Now that his secret heritage grants him powers beyond his wildest dreams, Izuku must prepare to fight for more than just his dreams.

Superman is dead. With hero society and the world fearing what may come without their most powerful protector, it now falls to his son Kon-El to take up the mantle that was left behind and uphold his legacy. Not something easily done when villains new and old see a chance to snuff out a another Superman before he can finish his training in U.A and become too strong to stop.

After a betrayal from her lieutenant Gin Ichimaru, Ririka is left for dead in the human world. The Uraraka family find a near dead Ririka and rush her to the hospital. ... At the USJ the villains attack, and Ochaco in a terrified state of mind she did the one thing Ririka said to do when she was in danger. How will UA react to Ririka Abarai?