Birds of Prey is finally in theaters and it’s packed to the gills with deep-cut references, easter eggs, and secrets for comic fans to uncover. But we spotted one in particular that we had to ask about, so we sent Nerdist’s Rosie Knight to London to sit down with the cast and crew to find out all about it. Plus, Margot Robbie, Jurnee Smollett-Bell, Mary Elizabeth Winstead, Rosie Perez, Chris Messina, and director Cathy Yan talked to us about bringing these iconic characters to life, spin-off pot