Riddler (Injustice 2 DLC)

"'You wanna know why I sided with the Regime? Infinite knowledge.'" Edward Nygma, also known as the Riddler, is a DLC character in Injustice 2.

Backstory
Edward Nygma used to work for a video game company before being fired and deciding to become a supervillain. Soon, he begins combating Batman and uses riddles for his crimes.

Role in Injustice 2
After the murder of the Joker and the rise of the Regime, Edward makes a deal with Superman that he will help with the Regime if he helps him gain more knowledge than ever.