Black mask as a pre-order bonus for Batman Arkham Origins

Every time a new game is released, we can get pre-bonuses. For Batman Arkham Origins, the next Batman game, Warner Bros will give you, in addition to the 2 exclusives playable challenges with Deathstroke, access to another playable character :

 Black Mask

Black Mask as a character will give you access to 2 missions in the "Challenge mode". This offer is exclusive to Gamestop and all its subsidiaries.

Reminder: Batman Arkham Origins is available for pre-orders and should be released on October 25th 2013.