More Injustice: Gods Among Us news here. Another character trailer has been posted. This latest one features the clown groupie, Mr. J’s sidekick, Harley Quinn herself. As the new leader of the Joker Clan, Harley Quinn must overcome and rise up as the new leader with the Joker gone. But can she do it? Check out the latest Injustice: Gods Among Us trailer and look for the game which will be released on April 16th, 2013 for PlayStation 3, Xbox 360 and Wii U.