Birds of Prey  has been renamed Harley Quinn: Birds of Prey on some US theater websites, following the movie's opening as the lowest-grossing DCEU picture yet. This was part of a "search expansion for ticket sites", a Warner rep told  The Verge . You'll see the new title on  AMC's homepage , for example, or the listing page on  Cinemark .  The move suggests that having the name 'Harley Quinn' in the title could be better for the movie's box office performance. The film's full name is technically Birds of Prey and the Fantabulous Emancipation of One Harley Quinn, but naturally most sensible people shortened the title to just the first three words.  This decision, then, seems motivated by what they assume moviegoers will be searching for. That said, a cursory  Google Trends  comparison of 'Birds of Prey' puts it way above 'Harley Quinn', so who knows what difference it'll make, if any. The decision to put Harley Quinn's name at the fr…
