What are some possible plotlines in 'Natasha Romanoff kidnapped' fanfiction?

A possible plotline could be them having to keep their marriage a secret from the world. Maybe because of Tony's business rivals or Natasha's undercover work. They would have to navigate their relationship while hiding it from everyone, which could lead to some really tense and exciting moments.

It could be a disgruntled former S.H.I.E.L.D. agent. Maybe they felt betrayed by Natasha or S.H.I.E.L.D. in some way and decided to take revenge by kidnapping her. Another option is a new villain in the Marvel universe who wants to make a name for themselves by taking on one of the Avengers.

Maybe she's a congresswoman fighting for the rights of superhumans or former spies. She could be in the middle of political intrigue, where her past secrets are at risk of being exposed and she has to use her wits to keep them hidden while still doing her job in Congress.

Another plot could involve Harry Potter being sent to the Marvel universe where he meets Natasha Romanoff. Harry, with his knowledge of magic, could assist the Avengers in a threat that has a magical or otherworldly origin. Maybe they have to deal with a dark wizard from Harry's world who has found a way to enter the Marvel universe.

A third plotline might involve a situation where one of them is in danger, and the other has to go to great lengths to save them. For instance, Natasha gets captured by a powerful enemy. Clint then uses his tracking skills and knowledge of Natasha's whereabouts to mount a solo rescue mission. Along the way, he reminisces about all their past missions and how much Natasha means to him.

Well, perhaps Percy could have some hidden powers that he discovers as the story progresses. Because he is mute, he might be underestimated by others, but in reality, he has great potential. The story could also revolve around his relationship with Natasha Romanoff. Maybe he has to deal with the absence of his aunt at times due to her superhero duties, and how that affects his growth and development. And also, there could be a plotline where Percy is targeted by enemies of Natasha Romanoff, and he has to find ways to survive and protect himself.

Natasha would likely become more maternal. She'd start to show a softer side that she usually hides. For example, she might be more patient with Peter when he makes mistakes during training, which is different from her normal no - nonsense attitude.

In a fanfic, there could be a plot where Natasha is poisoned and the only antidote can be created by Bruce using his knowledge of biochemistry. But he has to do it while keeping the Hulk in check. As he races against time, Natasha's condition worsens. This creates a tense situation that tests their relationship and shows how much they mean to each other. They also share some tender moments during this difficult time.

One possible plotline could be that a deranged fan kidnaps the Beatles in an attempt to force them to play a private concert just for them. Another could be that a rival music group arranges the kidnapping to try and stop the Beatles' rise to stardom.

Natasha Romanoff x Reader fanfiction can be really interesting. It often explores different aspects of their relationship. It could be a story of friendship evolving into something more, or perhaps a story set in the action - packed Marvel universe where they face challenges together.