MSN Games just dropped a new trailer for the upcoming Batman: Arkham City featuring Edward Nigma himself, the Riddler. The brain-teasing clip shows new game footage and includes some interesting riddles to mess with our minds. Riddler’s one of several main bad guys in Arkham City, alongside the Joker, Harley Quinn, Two-Face, Penguin, and Hugo Strange. The US gets first licks on October 18, while the UK waits it out till the 21st. Batman: Arkham City will be available for the PS3, Xbox 360, and PC. Take a look at the trailer below.