Bucky is an Avenger, he's got a metal arm from his time at hydra. Steve is Bucky's best friend and oldest friend. But Bucky has a secret, he's married.. To Y/N Stark..

Bucky and Y/N love each other, without a second thought they would go back to each other. Y/N is a trained assassin and black magic witch. With Bucky a trained assassin with metal arm.

*The team all notice Bucky and Y/N hanging out more, but never got the evidence they needed to say something. With Tony being Y/N's father,