Scarlett Johansson started filming some scenes for her new movie “The Black Widow” and reportedly stunned everyone on the set with her presence. Filmmaker Jon Favreuau revealed on his Twitter account what happened when the 24-year-old siren appeared on her movie costume. "Scarlett's first day on set in the Black Widow outfit. You've never heard a crew get so quiet so fast," he shared. Scarlett took on the role after Emily Blunt dropped out due to her hectic schedule.