Scarlett Johansson has played Natasha Romanoff — better known as Black Widow — for a decade. The former KGB assassin was introduced in 2010’s “Iron Man 2,” and now, after appearing in supporting roles in over half a dozen Marvel titles, she’s finally getting a standalone film. “Very few actors can say that they’ve worked … Continue reading Watch: Scarlett Johansson and Cate Shortland Discuss the Evolution of “Black Widow” in Featurette