Perhaps a plot where they are both framed for a crime they didn't commit by a powerful underworld figure. They have to work together to clear their names. Along the way, they discover that they have more in common than they thought, not just in terms of their skills but also their motives for stealing, which are often more about taking from the corrupt rather than simple greed.
A territorial dispute could be another plot. Black Cat has been operating in a certain part of the city for a while, and Catwoman moves in. They start a battle of wits and skills to see who gets to claim the area as their own hunting ground for valuable items. This could involve a series of rooftop chases and close - quarter combat scenes in the city's seedy alleyways.
One plot idea could be that Catwoman and Black Cat team up to steal a valuable artifact that has been causing chaos in the criminal underworld. They start off as rivals, each with their own motives, but as they work together, they begin to respect and even like each other.
Maybe they are forced to team up against a common enemy, like a powerful new villain in the city who is threatening their usual heist targets. At first, they don't trust each other but gradually learn to work together. For example, Catwoman's knowledge of the Gotham underworld and Blackcat's experience from her own city could combine to defeat the foe.
The Black Cat is often seen as more of a thief with a bit of a wild side in the Marvel realm. She has powers like bad luck probability manipulation which affects her foes. Catwoman, on the other hand, is more about her acrobatic skills and her cat - like grace. In the Black Cat vs Catwoman story, their fighting styles also differ. Black Cat might rely on her powers and her own brand of cunning, while Catwoman uses her agility and knowledge of Gotham's alleys and rooftops to her advantage.
One idea could be that Black Cat steals a valuable item, and Spiderman has to track her down. But when he finds her, they discover a bigger threat together and have to team up to stop it.
It's really hard to say. Both are very skilled fighters. Black Cat has her probability manipulation powers which could give her an edge in a fight. But Catwoman is extremely agile and has a lot of experience fighting in Gotham. If the fight was in Gotham, Catwoman might have the upper hand as she knows the territory well. But if it was in a more neutral location, Black Cat's powers could make things difficult for Catwoman.
One idea could be that Catwoman steals a valuable item and Superman is tasked with retrieving it. But as he chases her, he realizes she has a noble reason for the theft, like helping the poor in Gotham. So, instead of simply arresting her, he decides to help her find a legal way to achieve her goal.
Maybe the Joker has some information that Catwoman desperately needs. In exchange for it, she has to help him with one of his crazy schemes. Along the way, Catwoman tries to outwit the Joker and turn the situation to her advantage while still getting what she wants.
A great plot could be that there's a masked vigilante hunter in Gotham who targets both Batman and Catwoman. They have to hide from this hunter while also trying to figure out who it is. Along the way, they take refuge in an abandoned part of the city and during this time of forced proximity, they have deep conversations about their motives, their pasts, and what they really want for the future of Gotham.
One plot idea could be that Black Cat steals a valuable artifact that has some sort of dangerous power. Spider - Man has to track her down not just to retrieve the item but also to save her from the power that starts to corrupt her. Another could be a situation where Black Cat is framed for a crime she didn't commit, and Spider - Man has to work with her to clear her name while also dealing with his own doubts about her innocence. Maybe there's a new villain in town who is targeting both of them because of their relationship, and they have to team up to defeat this common enemy.
One idea could be that Cat and Beck get lost in a magical forest during a theater production rehearsal. They encounter strange creatures that force them to rely on each other more than ever, strengthening their bond.