Bucky is an Avenger now, Steve saved him from hydra. Bucky was the winter soldier, but is now getting better and still has his metal arm. But Bucky has a secret, message got a daughter he had at hydra.. Y/N Barnes.

Y/N was made into another winter soldier, but also trained at red room. So she's a shadow soldier, with a metal arm, trained assassin and is a black magic witch.

Bucky and the team was on a mission, hydra mission. But Bucky sees Y/N and knows he's gotta save her.