Scarlett Johansson admitted feeling hopeless about her career after losing the lead role in Alfonso Cuarón's movie 'Gravity' to Sandra Bullock. She also thought she had lost the role of Black Widow in 'Iron Man 2' to Emily Blunt. Johansson reveals her frustration and feeling of being creatively unfulfilled. However, luck turned in her favor when Blunt dropped out of 'Iron Man 2,' allowing Johansson to secure the role of Black Widow, launching her into the Marvel Cinematic Universe and global stardom. Despite setbacks, Johansson's career has steadily risen, making her one of the most bankable stars in Hollywood.
