Comics

Milly Alcock at the "Supergirl" world premiere on June 22.Dimitrios Kambouris/Getty Images for Warner Bros. PicturesThere have been 56 movies based on characters from DC Comics.They range from all-timers like “The Dark Knight” to stinkers like “Catwoman.”The most recent DC film, “Superman,” is closer to all-timer status.”Supergirl,” the second offering…