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 ...

If Jason Todd’s Arkham Knight took Batman to the asylum and showed him where Joker had held him captive all that time, for instance, that would’ve given Rocksteady the chance to have a walking ...