Margot Robbie has revealed a interesting piece of behind-the-scenes trivia about Birds of Prey . According to the Harley Quinn star, the film’s villain was originally supposed to be Oswald Cobblepot,

Without Matt Reeves and 'The Batman', 'Birds of Prey' would have seen Harley Quinn going up against not Black Mask, but The Penguin.

His film features Penguin in a rather important role, one that has since gotten even more important thanks to the award-winning HBO spinoff show. So, had Reeves not asked for the character to be taken out of Birds of Prey,