The Source has posted three covers throughout the day. Two of the covers are variants to upcoming issues and the other is the final cover to the first of the RetroActive series.
DC RetroActive: Batman-The 70's
Cover by Tom Mandrake and Wes Hartman
Batman: Gates of Gotham #2 Variant
Cover by Dustin Nguyen
Batman Incorporated #8 Variant
Cover by Scott Clark
Posted by Dustin Fritschel