Other future Batman Villains

Philip Seymour Hoffman is also rumored to play the penguin maybe not in this next film but in other future films.

Fake posters made with Phillip Seymour Hoffman as the Penguin

I don't know who else will appear in the third Batman but there shure are lots of villains left to see, and to wait for: Mr. Freeze, Poison Ivy, and more; and, of course, Robin and Bat Girl

Here is a fake poster showing Harley Quinn:

Kristen Bell (Veronica Mars, Heroes, Gossip Girl) in a fan-made poster as Harley Quinn