One great 'Red Room Natasha Tony fanfiction' is 'The Red Room's Daughter'. It explores Natasha's past in the Red Room and how Tony might interact with her in that context. It has a lot of action and some really interesting character dynamics.
You can start by looking on fanfiction.net. It has a large collection of fanfictions and you're likely to find quite a few about Tony, Natasha and the Red Room there.
One popular Natasha cares for Tony fanfiction might be 'A Different Kind of Bond'. In this story, Natasha's care for Tony is shown through her always being there during his self - doubting moments. She offers him words of wisdom and practical solutions. Another could be 'Natasha's Watch', where she takes it upon herself to protect Tony from both physical and emotional threats, highlighting her deep - seated care for him.
One interesting Natasha and Tony fanfiction could be about them teaming up on a secret mission that no one else in the Avengers knows about. They use their unique skills, Natasha's espionage and combat abilities along with Tony's technological genius to outwit the enemy.
One great tony and natasha fanfiction is 'The Red and the Gold'. It delves into their relationship in a post - Avengers world. They have to work together to solve a new threat while also dealing with their unspoken feelings for each other.
One possible plot could be that Tony Stark discovers the existence of the Red Room and decides to investigate it. He might encounter some of the Black Widows trained there and try to help them break free from the control of the Red Room. He could use his technology to expose the secrets of the Red Room to the world.
One popular tony and natasha married fanfiction is 'A New Beginning'. It focuses on their life after getting married, dealing with the challenges of combining their superhero lives with domesticity. They face issues like how to protect each other while also being there for their new family.
There's a fanfiction called 'The Miracle Within'. In this story, Natasha is pregnant and she and Tony are trying to figure out how to balance their superhero lives with impending parenthood. It shows their insecurities about being parents, especially given their dangerous lifestyles. The story also has some really heartwarming scenes between the two as they prepare for the baby.
One great tony x natasha fanfiction is 'A Different Kind of Team'. It explores their relationship in a post - battle scenario where they have to rely on each other more than ever. The author does a wonderful job of portraying their chemistry.
Maybe in the fanfiction, Natasha betrays Tony because she has been brainwashed by an enemy organization. They manipulate her mind to turn against Tony and his Avengers team. This could lead to a lot of action and drama as Tony tries to figure out what's wrong with her and how to save her.
Another theme is teamwork. They are both part of the Avengers, so many fanfictions focus on how they work together on missions, whether it's fighting a new villain or rescuing hostages. Their different skills - Tony's technology and Natasha's espionage abilities - make for interesting team - up scenarios.