Fan Casting The Riddler in Batman: Arkham Origins

he mysterious stranger known only as Enigma first catches the Dark Knight's attention when he notices a disturbance in his cryptographic sequencer, leading him to a GCR comm link tower with a booby-trapped mainframe. After piecing together a crime scene that involved the death of a maintenance employee, the Dark Knight becomes acquainted with the computer hacker who would one day be known as the Riddler. Enigma also had the man he hired to rig the mainframe access panel, John F. Baker, killed at the Diamond District to clean any traces of his involvement.