Format: 4K UHD Blu-ray. On the run after the unimaginable truth about the espionage agency S.H.I.E.L.D. is discovered, Cap and Avengers teammate Black Widow (Scarlett Johansson) recruit the high-flying Falcon (Anthony Mackie) as they go up against the Winter Soldier (Sebastian Stan), a ruthless assassin whose shocking identity is shrouded in secrecy.