Maybe in the fanfiction, they decide to start a family. But there are complications due to their superhero lives. They have to find a way to keep their future child safe from their enemies while still being superheroes. This could involve building a secret hideout just for their family.
Well, the plot could involve them getting married in an alternate universe where the rules of their relationship are different. For example, in this universe, heroes and villains are more likely to form alliances through marriage. So they get married, but then face challenges from other villains who don't like Black Cat being on Spiderman's side, and they have to fight together to protect their new relationship.
One plot idea could be that a powerful cosmic force binds them together, and they have to figure out how to live with this new connection while falling in love. They might go on adventures together to find a way to break this bond if they want, but end up realizing they love each other. Another idea is that they are brought together by a common enemy who is targeting both of their families. In the process of protecting their loved ones, they fall in love and decide to get married.
One plot idea could be that Black Cat steals a powerful artifact which has the potential to disrupt the balance in New York. Spiderman has to team up with her reluctantly to stop the chaos it might cause. Along the way, they start to understand each other's motives better and develop a complex relationship.
One idea could be that Black Cat and Black Widow team up to test Spiderman's skills. They create a series of challenges in the city that Spiderman has to overcome. Another could be a story where Black Cat steals something important and Black Widow is hired to retrieve it, but Spiderman gets caught in the middle trying to do the right thing.
A plot twist could be that Black Cat is actually working undercover for a bigger villain all along, and her marriage to Spiderman is part of her plan. This would shatter Spiderman's trust and lead to a big conflict between them.
One idea could be that the baby has some of Spider - Man's powers and Black Cat's agility. Maybe the baby gets into little adventures in the city, like accidentally web - swinging into a building under construction. And Spider - Man and Black Cat have to work together to keep the baby safe while also protecting their secret identities.
Yes, there are quite a few out there. You can start by looking on some popular fanfiction websites like Archive of Our Own. There, you might find different takes on this pairing getting married, from action - packed adventures that lead to their union to more character - driven stories exploring their relationship dynamics before and after the marriage.
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.
A plot could involve a strange device that affects their powers. Spiderman and Black Cat have to figure out how to reverse it while also dealing with their relationship. For example, the device could make Black Cat's bad luck powers go out of control, and Spiderman has to use his wits and strength to keep them both safe and also find a way to fix the situation. This would add an interesting layer to their relationship as they rely on each other more.
In the fanfiction, their son could be part of a new superhero team. He brings his unique set of skills, which are a blend of Spiderman's and Black Cat's, to the table. The team might initially be skeptical of him because of his parents' complex reputations. But as they go on missions together, he proves himself to be a valuable asset. His relationship with the team members could also be an interesting aspect to explore, as he tries to fit in while still being true to his own identity.