Meet 'The Marvels': Brie Larson, Teyonah Parris, Iman Vellani team up in new trailer

A trailer for 'The Marvels' unites Teyonah Parris' Monica Rambeau, Iman Vellani's Kamala Khan and Brie Larson's Carol Danvers, a.k.a. Captain Marvel.