In the 40s you Bucky were together and you were everything to him, he loved you so much and he was gonna propose to you after his time in the war, but when he came back everyone told him you died but in reality you were captured by Hydra and turned into a killing assassin. (Your Steve Roger’s sister) now in the 21st century Bucky and the avengers came back from a mission and during the mission Peter and Steve were talking about you and now back from the mission Peter asks Bucky who you were, and he explains and says your name with your last name Roger’s and Wanda’s face stares with resemblance and she drops a bomb that when Wanda was with Hydra you were there too.