Scarlett Johansson as Natasha Romanoff / Black Widow : Here is a brief history on the character he plays after the Jump... An Avenger who formerly worked for S.H.I.E.L.D. as a highly trained spy. Producer Kevin Feige stated that more of the character's backstory is explored in the film. Johansson elaborated, "In Avengers 2 we go back... we definitely learn more about Widow's backstory, and we get to find out how she became the person you see. All of these characters have deep, dark pasts, and I think that the past catches up to some of us a little bit." On where the film picks up Widow's story, Johansson said, "At this stage, when you see the Widow, she's — especially in Avengers, these characters all have a past, and hers is a very complex one, where she's realizing — and it's kind of a continuation of The Winter Soldier — 'I've never made an active choice. I'm a product of other people's imposition.' That's going t