You don't need superpowers to win a trip to the Justice League movie premiere. You just need to grab some friends and LEAGUE UP! DC Entertainment and Warner Bros. announce the League Up Contest. First, pull together a team of five friends who embody each of the heroes of the Justice League: Batman, Wonder Woman, Cyborg, Aquaman and the Flash. Then, put together a fun plan to celebrate the upcoming Justice League movie, and post a video about it on Twitter! If you're a finalist, you may get a chance to put your plan in action...and win a heroic experience you'll remember for the rest of your life.