WRITTEN BY JUDD WINICK; ART BY PHIL HESTER AND ANDE PARKS; COVER BY MARCOS MARTIN AND ALVARO LOPEZ In stores February 11. In Part 2 of the 6-part "City Walls," Ollie and Connor must team with Batman to take on the twisted genius of the Riddler! But this is more than just a random crime spree. The Riddler is about to up the ante, and his dark intentions could blow the city sky high! FC, 32 PG. $2.50 Cover price $2.50.