Scarlett Johansson’s Trainer Reveals How to Follow Her ‘Black Widow’ Workout Routine

The Marvel Cinematic Universe has introduced a bevy of kick-ass heroines over the years. From Brie Larson’s Captain Marvel to Danai Gurira’s Okoye in Black Panther, these women have shown young fans that the superhero genre isn’t just for the boys. And this summer, no Avenger is having a bigger breakthrough moment than Scarlett Johansson’s Natasha Romanoff, aka Black Widow.