Question: Who does Natasha Romanoff and Captain America join forces with in Captain America: The Winter Soldier?
Sentence (from "Captain America: The Winter Soldier"): In "Captain America: The Winter Soldier", Captain America, Black Widow, and Falcon join forces to uncover a conspiracy within S.H.I.E.L.D. while facing a mysterious assassin known as the Winter Soldier.
Relevant evidence: Yes