News Scarlett Johansson Debuts a Bold New 'Do! By Rosalyn Oshmyansky 10:15 AM PDT, July 24, 2015 Splash News Scarlett Johansson has us seeing red. The Avengers: Age of Ultron star was spotted with a short, bright red 'do under a fedora as she headed into a U2 concert at Madison Square Garden in New York City on Wednesday.WATCH: Chris Evans Scares Scarlett Johansson Silly on 'Ellen'Splash NewsOf course, this isn't the first time we've seen the 30-year-old actress as a redhead. Even though Black Widow's hair is a bit longer, Johansson still pulls off the best superhero hair color. WATCH: 9 Day-Glo Celeb Hair Styles To Inspire You Johansson, who's a natural blonde, has been rocking short hair for a while. In April on The Tonight Show Starring Jimmy Fallon, she had us all feeling hair-envy with her perfect swoop.Getty ImagesBut Johansson is definitely doing more than just maintaining her fabulous hair. Most recently, she's been keeping busy filming Captain America: Civil Warin which she reprises her role as Black Widow. WATCH: Scarlett Johansson Takes on Marvel With Black Widow Rom-Com Spoof on 'SNL' Earlier this year, ET’s Nancy O'Dell told Johansson that Avengers director Joss Whedon thinks Black Widow should star in her own film, and Johansson was certainly not opposed to that."From his lips to Marvel's ears, I guess," Johansson said, laughing. "I'll do it if he'll direct it."Watch below.: Scarlett Johansson Would Do a 'Black Widow' Movie if Joss Whedon Directs It Related GalleryTwo Looks, One Star: Major Celeb Hair Transformations!