Fan CastingBatman: Arkham - Episode 1: The Frequency of Fear

Nine months after the Joker's death, Gotham's crime rate has dropped dramatically. Batman has remained alert, watching the patients who have been infected by the Joker's blood, who are beginning to act and look like him. Scarecrow unleashes his new version of Fear Gas on a diner, and threatens to unleash it across Gotham. Millions of civilians are evacuated, but many criminals and supervillains are left behind. Batman locates a Scarecrow hideout, but finds henchmen and Poison Ivy trapped. Batman saves her, and questions her about her involvement with Scarecrow. She says that there was a meeting with the Penguin, Two-Face, Riddler and Harley Quinn, where Scarecrow says that together they could defeat Batman and conquer Gotham. Ivy says she had no interest, and when she realized it she was already trapped. Ivy uses the vines to trap Batman. She goes down using the elevator, but finds the Dark Knight waiting for her. Batman takes her to the GCPD. After talking with Gordon and Cash, Batman heads to the makeshift batcave in Gotham's Clock Tower. Batman receives a new costume from Lucius Fox. Oracle collects information about the Scarecrow's new toxin, and traces the production back to Ace Chemicals.