Iron Man 2 , the first film in the Marvel Cinematic Universe to include Natasha Romanoff, gave the Black Widow a weak introduction, as her character is written to fall under a positive stereotype of women being valued only for their sex appeal. Future films where she is featured have better established her personality and motivations. Despite the well-written exploration of her character in other films, it was not their responsibility to properly develop Romanoff. Iron Man 2 could have included a characterization of her that did not rely primarily on sex appeal. The backstory and occupation of Romanoff follow that of the original Marvel comics, so the movie was correct in keeping her career as a spy. Inclusion of her sarcastic humor and serious, calculating personality was necessary. As seen in the movie, without her signature traits, she is rather one-dimensional. Her lack of personality emphasizes the dependence the movie places on her beauty as a definition of herself and would ha