After taking down Freeze we go to get the cure. During the fight, Harley broke into the safe and took the cure for Mr. J. Now we need to head to the Steel Mill to get it back.
Batman: Arkham City is the 2nd installment in the Arkham series. It was released in 2011 as a sequel to Arkham Asylum. In this storyline, Bruce Wayne is imprisoned in Arkham City. The city is a super prison built around the slums of Gotham keeping all of the decaying parts of the city inside. There's a mysterious protocol 10 going on which Batman needs to uncover. Play as Batman and Catwoman as she completes some other side tasks as well.
Watch all of RockMaster9001's Batman Arkham City Walkthroughs: Batman Arkham City Walkthrough Series