New Supergirl Trailer Shows Off a Lot More of Jason Momoa's Lobo, Reveals a Call From a Concerned Superman, and Sees Krypto the Superdog in Dire Straits

New Supergirl Trailer Shows Off a Lot More of Jason Momoa's Lobo, Reveals a Call From a Concerned Superman, and Sees Krypto the Superdog in Dire Straits | It's Rock