Batman (1940) #452
Published Aug 1990 by DC.
Cover pencils by Mike Mignola, inks by George Pratt. "Dark Knight, Dark City" Part 1 of 3, script by Peter Milligan, pencils by Kieron Dwyer, inks by Dennis Janke; Batman is led through a labyrinthine urban maze by his old nemesis the Riddler, who seems to have changed into an abominable monster with one purpose: to drive Batman insane. 36 Pages, Full Color. Cover price $1.00.