SnakeDoctor
Super Freak
Apparently there is not scheaduled date for the new DLC, and probably this DLC will be ONLY available in the GOTY edition :/
The BAC GOTY Edition will be available:
US: May 29
EU: 7 September !!
Nope.
https://www.cinemablend.com/games/B...Edition-Harley-Quinn-DLC-Announced-41690.html
Last paragraph ...
"If you already own Arkham City, you won't need to buy the GOTY edition to get the Harley DLC. The downloadable content will also see an individual release on the PlayStation Network and Xbox Live Marketplace on May 30th."
SnakeDoc