Near the Stage A entrance is voice-activated lock. Hit it with the Voice Synthesizer to open the path to a freaky Joker shrine. Scan this to solve. There's a locked gate just before the Backstage ...

The Batman Arkham games are considered some of the best comic book adaptions around. And before Rocksteady had taken on the mantle of adapting the Dark Knight ... like the Joker at the right ...

Solved in Arkham Knight HQ South. Check the back corner, bottom floor of the western sector to find this series of photos and scan them. When you take the first elevator down to Level 03 ...