The Killing Joke is a comic book that fans have been ssaying should be adapted into an ani,ated film well this year they get wish plus they get Kevin Conroy and Mark Hamil back as there respective characters from the ninties animated series well now to wet your appetites the full Twelve minute behind the scenes look at the movie has been released online. The video gives us a look at how both Batman and The joker look in the film as well as the overall look of the movie.