DC Animation Just Released The Killing Joke featuring both Batman & The Joker as Kevin Conroy & Mark Hamill reprise their roles. Now we are getting the trailer to the upcoming Justice League Dark film. This was supposed to be a live action film but kept getting pushed back. Now it’s getting an animated film. This is in continuation of the DCAU that was set with the Justice League: War film. John Constantine,Zatanna,Deadman,Etrigan,Swamp Thing & Black Orchid will make up the team as they face a supernatural foe that even the Justice League can’t handle.