In case you haven't heard from a nerd in your life or the "Trending" sidebar on Facebook, Academy Award-winning actress Brie Larson will be playing the superhero Captain Marvel in a 2019 movie of the same name, making her the first female Marvel character with her own movie (sorry, Black Widow). It's an exciting career move for Larson, who went from a relative unknown to an Oscar winner just this year with her movie Room—and as she wrote on Instagram, it's something that's got her a little emotional.