It could be that the story focuses on how Izuku's character changes under Batman's training. Batman might teach him about the importance of preparation and having a backup plan. Izuku, on the other hand, could teach Batman about the power of hope and believing in oneself unconditionally. The fanfiction could also explore how Izuku uses the skills he learned from Batman in his own world, against villains like All for One, in a completely new and unexpected way.
The Joker could be a main villain. He might see Izuku as a new plaything and try to break his spirit during his training with Batman.
Well, Naruto would probably become an even more formidable ninja. Batman's skills in strategy, detective work, and various combat techniques could enhance Naruto's abilities. Naruto might learn to approach battles with more stealth and planning, rather than just relying on his brute strength and chakra. He could also pick up some of Batman's gadgets and use them in his own ninja way, like using batarangs as a new type of shuriken.
Well, Naruto would probably become an even more formidable ninja. Batman's strategic mind and combat skills could enhance Naruto's own abilities. He might learn new ways of stealth and planning, making him a more well - rounded fighter in the ninja world.
Well, perhaps it could be about Izuku learning Goku Black's unique combat styles and techniques. Maybe Goku Black would push Izuku to his limits in training, helping him gain new powers and a more ruthless edge in battle.
In this fanfiction, Izuku could be inspired by Batman's lack of superpowers but still being a formidable hero. He may start training in more martial arts and stealth techniques, similar to Batman. And he could even create his own set of gadgets, like grappling hooks and smoke bombs, to aid him in combat and rescue missions.
Well, in such a fanfiction, Spider Man might learn new combat skills from Batman. Maybe Batman would teach him how to be more stealthy, which is a big part of Batman's fighting style. Spider Man could also pick up on Batman's detective skills, making him even better at tracking down villains in New York.
Another possibility is that in the world where Goku Black comes from, there is an enemy who follows Goku Black to Izuku's world. This enemy could be a powerful Saiyan or a being with a dark ki similar to Goku Black. They might see Izuku as a weakness in Goku Black's plan and try to eliminate him first, making them the main antagonist in the fanfiction.
Well, it could be really exciting. Harry Potter might learn some of Batman's stealth and detective skills. Maybe he'd use those skills to fight the dark wizards in the wizarding world in a whole new way.
In the fanfiction, perhaps Stain trains Izuku because he believes Izuku has the purity of heart to use power in a way that Stain deems correct. Stain could teach Izuku how to analyze opponents better, which would enhance Izuku's ability to strategize in battles. Izuku might then start to question the current hero ranking system during his training. He could grow to be a hero who is more focused on the essence of heroism rather than just fame and recognition, which would make him stand out among his peers and also cause some friction with the more traditional heroes and hero agencies.
Well, perhaps the plot could involve Beast Boy learning Batman's detective skills. He might start using his shape - shifting abilities in more strategic ways, like shifting into small animals to gather information in hard - to - reach places. Batman could be teaching him discipline, which Beast Boy lacks sometimes. And they could team up to take on villains that require both physical strength (Beast Boy's animal forms) and strategic thinking (Batman's forte).