Bucky is an Avenger, after Steve saved him from hydra. Bucky was turned into the winter soldier for over 70 years, but is now okay and safe. But he's got a metal arm and he don't like it.

Steve has already gone back in time, never coming back. So Bucky is staying with Sam, doing missions together. Bucky and Sam were on a mission, when they see a girl using Steve's old shield. They both get confused, but Bucky immediately falls in love. Turns out is Steve's daughter, exactly like Steve.