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Believe me when I say this, "this is only the beginning." It appears that plot details from the upcoming Batman 3 have sprung up online. According to IGN, the basis for the script is already complete since it is being reported that David Goyer and Jonathan Nolan started working on the third installment last month.

A source at Warner Bros apparently claimed that the film will center around The Riddler as the main villain, with Arkham Asylum providing one of the story's main plot lines. Batman may also see some of our favorite villains as in cameo appearances from The Penguin and Mr Freeze. The insider added that Barbara Gordon could face a more prominent role in the new film and that Dick Grayson may make an appearance, although it is unlikely to be as Robin.

Nothing is set in stone and these rumors are from "sources" so it is hard to tell just how concrete these are but for the time being they sure are good to think about.