The next DC Animated Movie will adapt the award-winning fighting video game and subsequent comic book title "Injustice: Gods Among Us", featuring a dark, alternate timeline in the 'DC Universe' where 'Superman' kills the 'Joker':
"...set in a parallel universe, 'Superman' becomes a tyrant and establishes a new world order after the 'Joker' tricks him into killing 'Lois Lane' and destroying 'Metropolis' with a nuclear bomb.
"In an effort to stop this, 'Batman' summons counterparts of 'Justice League' members from another universe to join his insurgency and end the totalitarian regime...."
Click the images to enlarge...