Another idea is that Greninja gets exposed to some kind of meta - human - creating substance in the DC universe and gains new powers. It could then join the Teen Titans, sharing its unique Pokémon abilities with the group. It would be interesting to see how Greninja interacts with characters like Robin, Starfire, and Cyborg, and how it uses its powers in battles against the Titans' enemies.
Deadpool has made a few crossovers to DC Comics. These crossovers tend to be special one-offs that combine the humor and action of Deadpool with the established DC characters and settings. They can be quite exciting for fans of both franchises.
DC and Marvel have had some crossover events in comics. They usually happen as special limited series or one-shot issues to generate buzz and appeal to fans of both franchises.
Definitely Naruto and Superman. They are both iconic characters in their respective universes. Their different power sets make for an interesting comparison. Another popular crossover is between Sasuke and Batman. They both have a dark and brooding side. And of course, Sakura and Wonder Woman. The contrast between Sakura's ninja skills and Wonder Woman's superhuman abilities is appealing.
One great DC Marvel crossover fanfic is 'The Avengers and the Justice League: United Front'. It has an exciting plot where the two teams come together to fight a common, powerful enemy. The character interactions are well - written, especially the exchanges between Superman and Captain America, who share similar leadership qualities.
One great DC superheroes crossover fanfic is 'Justice League United'. It brings together heroes from different corners of the DC universe in an epic battle against a powerful, otherworldly threat. The way it weaves the storylines of Superman, Batman, Wonder Woman, and others is really engaging.
Maybe there's a multiverse event that causes Peter Parker to be transported to the DC universe. He meets Superman first, and Superman is initially a bit wary of this strange new hero with spider - powers. But as they face a common enemy, like Lex Luthor who has somehow gotten his hands on some Oscorp tech, they learn to work together. Peter can use his scientific knowledge from his own world to help Superman figure out how to disable the dangerous tech.
There's also 'The Flash and Quicksilver: A Race of Worlds'. This fanfic focuses on the two speedsters from different universes. They start off as rivals but then become friends as they face a threat that only their combined speed can defeat. It has some really cool scenes with their super - speed abilities.
There's also 'Superman and Captain Marvel: Worlds United'. In this fanfiction, the two super - powered beings from different universes come together. It explores their different powers, ideologies, and how they can learn from each other while fighting off a powerful villain that threatens both their worlds.
Well, first, a good DC crossover fanfiction has to have interesting character interactions. For example, seeing how Batman would react to meeting Wonder Woman for the first time in a new context. Second, a unique plot. Instead of the typical 'save the world' plot, it could be something like the heroes having to solve a mystery that involves different dimensions. Third, accurate portrayals of the characters. If Superman is in it, he should still be the big - hearted, powerful hero we know.