4. Narrative - The Scarecrow's Biological Bid For Power

RocksteadyNot typically a leading villain, The Scarecrow is a master of controlling fear, emotion and anxiety through his background as a criminal psychologist and as a chemist, creating a fear toxin that immediately sends anyone who comes into contact with it into a paranoid hallucination filled with their worst nightmares, often causing insanity. So, he's a nice guy. Still, after the death of The Joker, The Scarecrow managed to ally the remaining heavy players in the Gotham Supervillains Club into joining his team, with a plan that is a simple as it is an incredible playground for Rocksteady Studios to really unleash their storytelling talent. The Scarecrow's demands are simple and clear, all citizens of Gotham must leave the city, or he shall release his deadly fear toxin into the streets and set off bombs around the city, causing untold death, damage and insanity. Of course, the whole affair happens around Halloween, because style is important. Six million evacuated citizens later and Gotham is empty except for the criminals underclass and the horribly overwhelmed police force. Perfect for Oracle, Batman and the gang to do some large scale cleaning, and take out as many of the criminals at once as possible.