The final 'Marvels' trailer dropped and we're getting an appearance from Tessa Thompson's Valkyrie. The footage shows a band of heroes uniting as Brie Larson's Captain Marvel joins forces with Iman Vellani's Kamala Kahn/Ms. Marvel, Teyonah Parris' Captain Monica Rambeau, Thompson's Valkyrie, Samuel L. Jackson's Nick Fury and potentially more Marvel characters going up against a powerful enemy.