Adventures Of Superman #500 Platinum Edition

Title: Adventures Of Superman 
Issue: #500, Platinum polybagged edition, Signed by Mike Carlin
Publisher: DC
Year: 04/1993
Grade: N/A

After suffering a heart attack, Jonathan's spirit joins Clark's in the astral plane. Jonathan must get Clark to clear his head, or else he might end up in Blaze's domain... forever.; In the midst of a battle between rival gangs, John Henry Irons rises from the rubble of the battle between Superman and Doomsday.; A guy tries to hijack a car, and is pursued by the cold Last Son of Krypton.; Superboy escapes from Cadmus with the help of the Newsboy Legion.; Superman returns to Metropolis, but portions of his body have been replaced with cybernetic parts.