Batman Arkham City: Arkham City Skins Pack on Steam

These seven Batman skins can be used in storyline mode upon completion of main story and all challenge maps.

Batman Arkham Origins: Season Pass, PC - Steam

Batman: Arkham City - Challenge Map Pack DLC and free skin - The

Season Pass, Arkham Wiki

Steam Community :: Guide :: 100% Achievement Guide: Batman

Skins - Batman: Arkham City Guide - IGN

Batman™: Arkham Knight - Batman Classic TV Series Batmobile Pack

Arkham City Skins Pack available - Batman: Arkham City - Gamereactor

Batman: Arkham Origins Season Pass (DLC) STEAM DLC digital for Windows

Steam Community :: Guide :: Arkham City Redux

Batman: Arkham Knight, Arkham Wiki