Birds of Prey: (And The Fantabulous Emancipation of One Harley Quinn) opens today. Despite initial poor reactions to the trailers, the film is receiving rave reviews. In part because of the great actions sequences. In connection with the marketing push Warner Bros. dropped a featurette showing what went on behind the scenes to put put these sequences together. It’s a nice BTS look and shows just how much thought went into it. Check it out here.