Cinema Confidential reports that Warner Bros. has a feature film in the works based on their animated television hit Justice League. “The Justice League comic series, which started in the 1960s, features DC Comics’ most famous superheroes joining forces to form one team, including Superman, Batman, Wonder Woman, The Flash, Green Lantern, Aquaman and Martian Manhunter.” Kiernan and Michele Mulroney have been selected to write the screenplay.