Story: "Superboy - Zero!" (22 Pages)

Credits:

Karl Kesel (plot, script)
Tom Grummett (pencils)
Doug Hazlewood and Dennis Janke (inks)
Richard Starkins/Comicraft (letters)
Tom McCraw (colors)
Frank Pittarese (edits)

Feature Character:

Superboy (last in Zero Hour: Crisis In Time #0; also in flashback preceding Adventures of Superman #500/4; appearance page 13, panels 2-4, same as Adventures of Superman #500/4, pages 3-4; also in flashback in between Adventures of Superman #500/4 and Adventures of Superman #501)

Supporting Characters:

Tana Moon
Dubbilex
Rex Leech
Roxy Leech
Ray Garnes

Villains:

Sidearm (also in flashback preceding appearance in #1)
the Silicon Dragons
Nanaue (first appearance; last in flashback in Aquaman: Sword of Atlantis #46)
Mister Gamboli (first appearance)
Director Westfield (in flashback in between Adventures of Superman #500/4 and Superman Vol. 2 #78)
Dr. Carl Packard (in flashback in between Adventures of Superman #500/4 and #501)

Guest Appearances:

Emil Hamilton (in between Superman: The Man of Steel #37 and Superman Vol. 2 #94)
Tommy
Big Words
Gabby
Scrapper
Flip (all five as the Newsboy Legion II; in flashback in between Adventures of Superman #500/4 and #506)

Other Characters:

Doug
Brett (first appearance of both; employees at Kona TV)

Flashback: Superboy's first three days out of Project Cadmus, and his very first adventure in battle against Sidearm.

Synopsis:

Superboy goes up against Sidearm at the Honolulu Airport while waiting for Tana. Later a visit from Professor Hammilton leads the Kid's acquiring a totally new super-power as Hammilton gives him a pair of x-ray specs, in return for an analysis of the Kid.