Natasha Romanoff has some traumatic experiences in her past, and it seems Black Widow won't be shying away from exploring them and the bigger themes that go along with the character's troubled beginnings in life. Florence Pugh will be making her MCU debut in the upcoming movie as Yelena Belova, the fellow Widow and surrogate sister to Scarlett Johansson's Nat. And according to her, Black Widow is all about "the abuse of women."