If you purchase the Scribblenauts Unmasked: A DC Comics Adventure game you are going to be getting a bonus with purchase. DC unveiled that if you when you purchase the game a code will be included for a free download of the comic Scribblenauts Unmasked: A DC Comics Adventure – “A Battle Most Bizarre”. This special issue will feature Batman, Superman, Bizaro and the Joker. If you pre order the title for the PC platform you can download the issue on September 1st. For all other platforms it will be available on September 24th.
Source – DC Comics