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.
One great 'Tony Stark and Natasha Romanoff fanfiction' is 'The Unlikely Alliance'. It explores their relationship in a post - apocalyptic world where they have to rely on each other's skills to survive. Their banter and the way they gradually come to understand and respect one another is really engaging.
One great fanfiction is 'Stark and Romanoff: The Married Life'. It shows their relationship after getting married in a very interesting way. They face challenges like Tony's workaholic nature and Natasha's past coming back to haunt them, but they overcome it all with their love and trust for each other.
Yes, there are likely fanfictions with this premise. Fanfiction writers often come up with creative and unexpected relationships between characters. They might explore how Natasha and Tony's relationship would be different if they were siblings, and how it could impact the events in the Marvel universe.
One challenge is getting their personalities right. Tony is a brilliant but often egotistical tech - genius, while Natasha is a highly trained and mysterious spy. It's hard to make sure their interactions are in line with their established characters. Another challenge is creating a believable relationship between them. Given their different backgrounds and roles in the Avengers, it's not easy to write a smooth transition from colleagues to something more. Also, coming up with original plot ideas that haven't been overdone in the already large pool of fanfiction can be difficult.
Another factor is the potential for exploring uncharted relationships. In the official Marvel universe, their relationship is not as deeply explored as some others. Fanfiction allows writers to create scenarios where they interact more closely, whether it be in a romantic or a strong platonic way. For example, they could be on a mission where they have to rely solely on each other and in the process, a deep bond forms. This gives fans a chance to see different sides of the characters and how they might interact in various situations.
One idea could be that they discover they are siblings during a big battle. Maybe they both have a similar power or technology that leads them to figure it out. For example, they find out they have the same kind of energy source in their suits or weapons that was passed down from their parents. Another plot could involve them working together to uncover the secrets of their family's past. They might travel to different places, like an old family mansion or a secret research facility their parents were involved in.
Well, one possible plot could be that they discover they are siblings in a dramatic moment during a big battle. Then they have to figure out how to work together as family while still dealing with the threats against the world.
One idea could be a story where Tony and Natasha have to go undercover as a couple on a mission. They start to develop real feelings during the process. For example, they might have to attend a high - society event and deal with all the pretenses while also trying to uncover a hidden enemy. Another plot could be set in a post - apocalyptic world where they are two of the few survivors and have to rely on each other completely to stay alive and rebuild society. Or perhaps a story where they both get trapped in a virtual reality world created by an enemy and have to find a way out together while also facing their own inner demons.
The MCU timeline would be significantly different. In the early Iron Man movies, Natasha could have been introduced as Tony's sister much earlier. This would have changed the dynamic of his character development. He might not have been as reckless in some situations because he had a sister to think about. Also, in Natasha's storylines, having Tony as a brother could have provided her with more resources and support, changing the way she approaches her missions and relationships with other characters in the MCU.