Your Guide to the Surprising Number of Joker Movies Coming Out

Robbie's long-gestating Birds of Prey is billed as a team-up film between female villains. The star-studded cast includes Mary Elizabeth Winstead, Rosie Perez, Ewan McGregor, Jurnee Smollett-Bell, and Chris Messina, and so far an appearance from Leto hasn't been discussed. Still, we wouldn't put it past Robbie to sneak a cameo from the character into her film, given the nature of Harley Quinn and the Joker's relationship.