Bucky Barnes will need to beef up if he wants to help his fellow heroes out during the events of The Avengers: Infinity War, and it looks like Sebastian Stan has taken that idea to heart.
With the notable exceptions of Steve Rogers (Chris Evans) and T’Challa (Chadwick Boseman), The Winter Soldier (Sebastian Stan) can pretty much kick the ass of any human.
The actor has already started bulking up for his upcoming adventure, and a video of his chest day looks downright painful.