The screen is hard to see because of the fear gas everywhere but.... If you pause the movie at exactly 1 hour, 59 minutes, and 21 seconds, there is a shot of a gang of criminals. Now if you look to the very far left you'll see the guy at the end has dark green hair, very white skin, and he's wearing a purple jacket and orange pants. If you don't believe me pause the movie at 1:59:21. Now tell me, am I just seeing things or is this The Joker? Edit: Opps, sorry, I posted this in the wrong forum.