Natasha Romanoff: Five years ago I was escorting a nuclear engineer out of Iran.
Release date: 4 April 2014
Directors: Anthony Russo, Joe Russo
Writers: Christopher Markus, Stephen McFeely
As Steve Rogers struggles to embrace his role in the modern world, he teams up with a fellow Avenger and S.H.I.E.L.D agent, Black Widow, to battle a new threat from history: an assassin known as the Winter Soldier.