Supergirl, starring Milly Alcock, opens this weekend. The Onion shares everything you need to know about the film. Q: What is the premise? A: A female superhero must single-handedly save the world as she knows it after the catastrophic collapse of interest in the genre. Q: Is Superman in this one? A: Why? You don't [...]The post What To Know About Supergirl' appeared first on The Onion.