TMDb/Supergirl: The Making of Movie Supergirl's new film centers on saving her poisoned dog, Krypto. An emotional quest that's the DCU's answer to Guardians of the Galaxy. April 3, 2026 AceShowbiz - The latest DC Universe film, Supergirl, is capturing audiences' attention with a fresh approach that centers around the beloved super-powered dog, Krypto. Following a memorable introduction in the recent Superman movie, where Krypto was a standout character despite a supporting role, Supergirl is poised to elevate the canine's importance, making him a pivotal element of the story.