‘Supergirl’ teaser: Milly Alcock’s Kara Zor-El meets Krypto for the first time at Super Bowl

DC Studios used the Super Bowl stage to debut a new teaser for ‘Supergirl’, offering the clearest look yet at Milly Alcock’s darker, more conflicted take on Kara Zor-El and revealing her early bond with Krypto on Krypton before the planet’s destruction