The upcoming film, Birds of Prey which is a Suicide Squad spin off sees Margot Robbie aka Harley Quinn in a survival tale. The character of Harley Quinn who goes through a heartbreak after breaking up with Joker, will be seen in a terrific and fearless gang of girls. While talking to comicbook.com the Once Upon a Time in Hollywood actress Margot Robbie she wanted to see her character in girl gang as there are very few films in Hollywood who featured a girl gang who are on a mission.