Watch a 12-minute preview featurette for the Batman: The Killing Joke animated movie which features the voices of Mark Hamill as Joker and Kevin Conroy as Batman.
The movie, from Bruce Timm, will premiere at this Summer’s Comic-Con with Tara Strong voicing Barbara Gordon/Batgirl and Ray Wise as the voice for Commissioner Gordon.
Update: Check out over 100 preview images.
