Arkham Origins Joker
Don this costume and become Batman™'s archnemesis, The Joker! (can also be unlocked for free in game)
Copy and paste this link into an e-mail or instant message:
http://marketplace.xbox.com/kk-KZ/Product/Arkham-Origins-Joker/00000ffc-cd4e-42e2-cd1d-d0e857520828?cid=SLink
Sign-in to see this on your avatar.