2. The Riddler is the primary villain and he figures out Batman's identity.
3. Arkham Asylum will figure prominently in the story.
4. Several classic villains will cameo, including the Penguin and Mr. Freeze (though as Dr. Fries, not as the supervillain).
5. Barbara Gordon will have a featured role.
6. Commissioner Gordon will mention Metropolis and possibly Lex Luthor.
7. Dick Grayson may be in the movie (though probably not as Robin)."