‘Supergirl’ Review: Milly Alcock Takes Charge in a Dystopian Superhero Movie So Flat It’s Super-Horrendous (opens in new tab)

Kill Krem! Save the dog! Those are the motivations driving the entire not-even-interesting-enough-to-be-convoluted plot of "Supergirl." Maybe that’s why the movie is full of action yet numbingly flat.