Scarlett Johansson has played Black Widow in a wide variety of Marvel Cinematic Universe movies over the years, and because of the size of her roles in certain films or the story Natasha Romanoff had in them, some Black Widow appearances in the MCU rank higher than others. After being part of some of the MCU’s best movies and leading a solo film, Johansson has revealed that she is unlikely to play Black Widow again.