Adventures of Superman (1987-) #504

Superman, Superboy and the Man of Steel storm Mongul's city despite the threatening levels of Kryptonite...levels so high that it could mean the end of Superboy!

Written By:
Karl Kesel
Tom Grummett
Doug Hazlewood
Cover By:
Karl Kesel, Glenn Whitmore, Bill Oakley, Tom Grummett, Doug Hazlewood