Y/n is Natalia Alianovna "Natasha" Romanova, or Black Widow’s husband. Y/n is oblivious of her being a superhero and she is trying to keep it that way to protect y/n, but it becomes harder and harder as she tries to balance her love life and superhero work in the newly arising danger of a bigger threat. She begins coming home later, not answering, leading y/n to think wrong about her and becoming worried.