Adventures of Superman #500 [Direct] - Vf/Nm 9.0

KC: 1st cameo appearance of John Henry, later becomes Steel 1st cameo appearance of Superboy, Conner Kent 1st cameo appearance of Cyborg Superman, formerly Hank Henshaw 1st cameo appearance of the Eradicator

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.