Bucky has been with the Avengers since he was saved from Hydra, he don't get along with Tony Stark. Steve Rogers and Sam Wilson are Bucky's best friend's. Bucky always hides his metal arm, so people is not scared of him

Tonys daughter is coming to the tower after a two year long mission, Bucky hase never met her before

Natasha, Sam, Steve, Tony, Bruce, Wanda, Peter are all in the meeting room as Bucky walks in and he sees Tonys daughter. Bucky is confused and looks at her Who are you?