The plot might involve Ben arriving in the world of My Hero Academia by accident. His presence could disrupt the balance of power. The heroes might be initially suspicious of him, but as they see his powers and his willingness to help, they start to work together. For example, Ben could use Heatblast to counter some of the cold - based villains in the My Hero Academia universe. And the characters from My Hero Academia could teach Ben about their society and how quirks work, which would be a new concept for him.
Well, it could be about Ben using his Omnitrix to team up with the heroes from My Hero Academia. Maybe he helps them fight against a new villain that's too powerful for them alone. He could transform into different aliens to use various powers in the battles.
In a Ben 10 and My Hero Academia crossover fanfic, the plot could center around a shared threat that endangers both universes. Ben and the heroes of My Hero Academia have to combine their skills and powers. Ben's alien forms, like Four Arms, could provide brute strength in battles against powerful villains with quirks. The fanfic could also explore how the different power systems interact. For instance, how does Ben's ability to quickly change forms compare to the heroes' training and development of their quirks? There could be a lot of character - building moments as the two groups learn from each other and form bonds to save their respective worlds.
One possible plot could be that the Omnitrix from Ben 10 somehow ends up in the My Hero Academia universe. Ben could team up with Izuku Midoriya. Ben, using his various alien forms, could help in hero battles against villains. For example, Heatblast could be useful against ice - based villains in the MHA world. And Izuku could learn a lot from Ben's experience in handling different powers and situations.
I think Ben and Deku would be an interesting pairing. Deku is all about analyzing and strategizing, while Ben has the power of the Omnitrix. Deku could help Ben figure out better ways to use his alien forms in combat, and Ben could show Deku some really out - of - this - world powers.
Another possible plot is a competition between Superman and the top heroes in My Hero Academia. They hold a friendly, but intense, competition to see who is the most powerful and heroic. This would not only showcase their different powers and abilities but also how their concepts of heroism differ. It could lead to a lot of character development for both sides as they learn from each other.
First, choose the characters from both universes carefully. Decide which ones will interact and how. For example, you could start with Bakugo from My Hero Academia ending up in New York City from the Marvel universe. Then, create a conflict. Maybe a villain from Marvel, like Loki, is causing trouble and Bakugo's explosive quirk can be both a problem and a solution in this new world. Don't forget to add some character development. Bakugo could learn about teamwork from the Avengers, which is something he struggles with in his own world.
One interesting plot could be that a Prototype character, say Mercer, somehow gets his powers transferred to a My Hero Academia villain. This villain then becomes extremely powerful and starts causing chaos in a way that the heroes can't handle. The heroes have to figure out how to stop a foe that can shape - shift, regenerate, and has superhuman strength. They seek help from the Prototype world, and a character from there has to work with the heroes to find a way to reverse the power transfer or at least find a weakness in the empowered villain.
Well, the plot could involve a quirk experiment gone wrong that creates portals between the two universes. The Avengers and the MHA heroes end up on the wrong sides. At first, there's a lot of misunderstanding and fighting between them. But then they realize that there's a bigger threat behind all this chaos. For instance, Loki could be working with a MHA villain to take over both worlds. The Avengers and the MHA heroes then have to put aside their differences and work together to stop this evil plan. The story could explore how different powers interact and how characters from two very different universes grow to respect and rely on each other.
The plot might involve a common threat that forces the two groups to team up. For example, a new super - villain who has the ability to steal quirks and use them against the heroes, while also having technology similar to what the bad guys in the Avengers face. The Avengers would be impressed by the unique quirks of the My Hero Academia characters, and they'd have to figure out a way to combine their skills to defeat the enemy.
In a 'Ben 10 My Hero Academia Crossover Fanfiction', Ben Tennyson would be a main character. He has the Omnitrix which is full of possibilities. Another main character could be Ochaco Uraraka. Her gravity - controlling Quirk would be an interesting contrast to Ben's alien powers. They could work together in some really cool ways, like Uraraka using her Quirk to levitate Ben in a strategic way during a battle. And then there's also Tenya Iida. His speed and strict sense of justice would add another dynamic to the group. These characters would all play important roles in the story, whether it's in combat, strategizing, or just in their interactions with each other.
It could be really exciting. Maybe Ben could use his Omnitrix to transform into an alien with a Quirk - like a combination of his alien powers and a hero's ability from My Hero Academia. For example, he could turn into Four Arms but with super strength enhanced by One For All. The story could involve Ben and the heroes of UA working together to stop a powerful villain that neither could defeat alone.
Here's a simple start for a 'prototype My Hero Academia crossover fanfic': In a world where the quirks of My Hero Academia exist alongside the powers from 'prototype'. Alex Mercer finds himself in the middle of Musutafu city. He's confused by the sight of people with all these strange abilities. Izuku Midoriya spots this strange man and approaches him. Mercer, being the shape - shifter he is, tries to blend in but his lack of knowledge about quirks starts causing some misunderstandings. As they interact, Mercer realizes that these 'quirks' could be a new form of power to study, while Midoriya is both fascinated and a bit scared of Mercer's abilities.