I could see the next two villains being the black mask and the riddler. The black mask has the ability to rally criminals together. I could see someone like the Black Mask being the integral figure that turns Gotham into an essential no man's land with an over abundance of organized crime. I would really like to see Batman do some detective work in the Batman movie, instead of creating some super gadget that conveniently shows him where everyone in the city is located. HAving the Riddler as a villain would give the movie an outlet to focus on Batman's investigative prowess. Maybe, during the first half of the movie, Batman believes the Black mask is really the Riddler, but then finds out different and realizes that he has two master criminals on his hands.