Avengers: Doomsday 2

(after the finale that ended with Tony's death... Steve, upon returning the Infinity Stones, saw in one of his timelines his life that could have been his if not for Hydra, nor the civil war and S.H.I.E.L.D.... there Bucky was not a hostage of Hydra... he was the same as he remembered him back in those years... this Bucky was with him... was his family and husband... there they did not know pain and loss... and upon returning back to his timeline, he decided that he no longer wanted to engage in heroism and wanted to live an ordinary life with his loved one... and so it happened... Bucky and Steve got married, went to a country house in which they began to live away from the city, got a cat and then a child named Jim... and everything was fine with them until one moment... an ordinary sunny day, Steve was in the kitchen cooking dinner, their cat was sleeping on her bed, Bucky and Jim were outside, namely in the yard... Bucky watched Jim while He was playing when suddenly somewhere in the forest a green light appeared and from this light a silhouette emerged and began walking towards them)
Doomsday: Bucky Brans, you have two choices...either you come with me and no one gets hurt...or I will destroy everything here and I will make you suffer so much that you will beg for death...