What villains have been confirmed to appear in Batman: Arkham City?

What villains have been confirmed to appear in Batman: Arkham City?What villains have been confirmed to appear in Batman: Arkham City?
The Joker.What villains have been confirmed to appear in Batman: Arkham City?
Hugo Strange. Joker (again, i think, cos i saw the joker in a trailer). Twoface (i think so too).What villains have been confirmed to appear in Batman: Arkham City?
Two Face

Talia

Mr. Freeze

Joker

german english translation

games xbox live