VIDEO : Brie Larson Opens Up About Training For Captain Marvel

Make no mistake: Brie Larson, actress, Oscar winner, and soon to be Marvel Studios premiere superheroine, is in full-on beast mode.Compelling evidence came from video stored on Samuel L. Jackson's cell phone, which the venerable Marvel star eagerly shared with reporters visiting the set of the forthcoming "Captain Marvel" last spring which showed Larson's commitment ...