I'd say first, figure out a compelling reason for these two very different entities to collide in Gotham. Then, blend their storylines and character traits in a way that makes sense and keeps the fans engaged. Maybe a crime plot that draws both the Godfather and Batman into it.
The plot could involve the Godfather's criminal empire somehow intersecting with Gotham's underworld. Maybe he forms an alliance with some of Batman's rogues gallery, while also having some sort of magical or otherworldly connection to the HP universe. For example, he could be using magic artifacts from the HP world to gain an edge in Gotham's crime scene.
The characters could interact in some really interesting ways. For instance, the Godfather characters, who are used to a certain level of political and criminal intrigue, might try to manipulate the magical beings from the HP world. The magical beings could be both a threat and an opportunity for them. Batman would be in the middle, trying to keep the peace and protect Gotham. He might find himself having to learn about magic quickly to deal with the new threats. The HP characters could also be intrigued by Batman's dedication and might even offer to help him in his fight against crime if they see that his cause is just.
You could start by imagining how the characters from both stories might interact. Maybe the unicorn stumbles upon Howl's castle and their adventures begin from there.
Well, 'Batman Gotham by Gaslight' is a really interesting take on the Batman universe. The fanfics often explore different aspects of the steampunk - ish Gotham in that story. Some fanfics might focus on the relationship between Batman and his rogues gallery in this unique setting. They could show how the characters adapt to the different time period and technology level. For example, the way the Penguin might use steam - powered contraptions instead of his usual umbrellas with high - tech gadgets.
A batman and spiderman crossover fanfic could be about them teaming up to fight a common enemy like the Joker and Green Goblin who have formed an alliance. They would combine their unique skills, Batman's detective skills and martial arts with Spiderman's agility and web - slinging.
One possible plot could be that Batman's Gotham is threatened by a powerful villain who has some connection to the Avengers' universe. Maybe Loki decides to cause chaos in Gotham as part of a larger plan against Earth. Batman, being the detective he is, starts to investigate and soon realizes that this is no ordinary criminal. He then somehow gets in touch with the Avengers, perhaps through SHIELD's intelligence network. Together, they combine their skills and resources to take on Loki and his minions. Batman's stealth and strategic mind would complement the Avengers' superpowers.
One possible plot could be that Daredevil and Batman are both on the hunt for a new criminal mastermind in Gotham. This criminal has a unique way of operating that blurs the line between legal and illegal in a way that challenges both of their moral compasses. They initially clash due to their different methods, but then realize they need to work together to take down this new threat.
The Addams Family could fit into Gotham's universe in many ways. For example, they could be seen as an eccentric family living on the outskirts of Gotham. Their macabre interests and strange behavior might be misinterpreted by the citizens of Gotham as something more sinister. Gomez could interact with some of Gotham's mobsters in a very unique way, perhaps out - of - the - box business deals. Morticia's elegance and mystery would add a different kind of charm to the dark city. And Wednesday, with her penchant for the morbid, could find Gotham a rather interesting place to explore, especially with all the dark alleys and strange characters.
Definitely not. Gotham is a fictional adaptation that offers a unique take on the Batman world. It weaves a complex web of stories and characters that may deviate from the traditional and 'real' Batman tales.
It could be amazing. Imagine Clark Kent from Smallville finding himself in the dark and gritty Gotham. He might use his powers to help Batman clean up the city in a different way. Their different moral compasses could lead to some interesting interactions, like Clark's more idealistic view clashing with Batman's darker pragmatism.