“It’s not a very serious movie, so we thought the title should reflect that. Birds of Prey makes it sound very serious, and then that’s kinda like Harley adding her ‘Hey, I’m in this, too.”
You can watch her talk about it here:
The title hints that that the story will catch up with Harley Quinn when she's freed herself from her destructive relationship with The Joker.
Cathy Yan is directing the film, and