The first full trailer for "Supergirl" is now out. It introduces Milly Alcock as Kara/Supergirl, her dog Krypto, Jason Momoa as Lobo and Matthias Schoenaerts as Krem of the Yellow Hills. The film also stars David Corenswet, Eve Ridley, David Krumholtz and Emily Beecham. The film opens in theaters and IMAX on June 26th. See the trailer for "Supergirl" below...