It is true that all new copies
of Batman: Arkham City
will come bundled with a code that unlocks Catwoman. Those looking to purchase the game used apparently won't miss out on her nimbly-bimbly antics, Kotaku
A supposed internal GameStop memo states that all customers purchasing used will be given a free code, which will be printed on their receipt following purchase. We've contacted both Warner Bros. and GameStop for additional information.