Gohan and Robin would be an interesting pairing. Gohan, with his intelligence and powerful fighting skills, could bond with Robin over their shared smarts and desire to protect their respective worlds. They could exchange knowledge about combat strategies and detective work.
I think Thor and Wonder Woman would make an amazing pair. They both come from god - like lineages. Thor with his Asgardian powers and Wonder Woman with her Amazonian and divine powers could have some epic battles together against common foes. Their different yet powerful fighting styles would complement each other well.
Maeve and Wonder Woman could be an interesting pair. They are both strong female characters, but from very different backgrounds. Wonder Woman could show Maeve a more noble way of using her power, while Maeve could expose Wonder Woman to the harsher realities of the world she lives in.
I think Sailor Moon and Goku would make an interesting pairing. Sailor Moon has her magic and leadership skills, while Goku has his raw power and determination. They could learn a lot from each other. Another interesting pairing could be Vegeta and Sailor Mars. Vegeta's pride and power could clash with Sailor Mars' fiery personality in an exciting way.
Definitely Naruto and Batman. Batman would be fascinated by Naruto's powers and his different way of fighting. Naruto, on the other hand, could learn a lot from Batman's strategic thinking. Another interesting pairing could be Naruto and Wonder Woman. They both have strong beliefs and a sense of justice. Their combined strength would be amazing in a fight.
Spiderman and Green Lantern. Green Lantern's power ring can create all kinds of constructs, and Spiderman could use his webs to enhance or modify those constructs. They could work together to build a huge structure to stop a giant alien invasion that is threatening both the Marvel and DC universes.
Definitely Superman and Captain America. They both represent the ideals of their respective universes. Superman with his superhuman strength and unwavering moral compass, and Captain America with his leadership and never - give - up attitude. Another interesting pairing would be Batman and Iron Man. They're both brilliant inventors and strategists, and seeing them compete or collaborate on a project would be fascinating.
Goku and Natsu would be an interesting pairing. Goku's pure - heartedness and love for fighting would mesh well with Natsu's fiery and passionate nature. They could have some epic battles together just for fun, and then team up to take on stronger foes. Another good pairing could be Vegeta and Gray. Vegeta's prideful and somewhat cold demeanor would contrast with Gray's cool - headedness. They could learn from each other's fighting styles, with Vegeta showing Gray some of his Saiyan techniques and Gray teaching Vegeta about his ice - make magic.
I think Hermione and Superman would be an interesting pair. Hermione is all about knowledge and learning, and Superman, with his alien origin and super - intelligence, could share a lot with her. They could exchange ideas about their respective worlds, and Hermione might even find a way to use magic to enhance Superman's powers or help him in some way.
I think Uraraka and Green Lantern would be a cool pairing. Uraraka's quirk allows her to manipulate gravity, and Green Lantern's power ring is based on willpower and can create constructs. They could combine their powers in really creative ways. Uraraka could make objects weightless for Green Lantern to use in his constructs more easily, and he could protect her while she focuses on using her quirk.
Peter Parker and Lex Luthor could be a fascinating duo in a different way. Luthor might initially try to use Spider - Man's powers for his own gain, but Spider - Man outsmarts him. This could lead to a complex relationship where Luthor is constantly trying to manipulate Spider - Man, but Spider - Man is always one step ahead, all while they are in the middle of a bigger conflict involving other heroes and villains from both universes.