| Unofficial Challengers of the Unknown Index |
"Chapter 3 The Warrior from 1,000 A.D."
Credits:
| Art | Bob Brown |
| Lettering | Stan Starkman |
| Editing | Murray Boltinoff |
Feature Character(s):
- Challengers of the Unknown:
- Ace Morgan (last behind the scenes in flashback in New Adventures of Superboy #1; in flashback precding Showcase #6; next in flashback in Challengers of the Unknown Vol. 3 #16)
- Rocky Davis (in flashback following flashback in Challengers of the Unknown Vol. 2 #6 and preceding Showcase #6; wins wrestling match allowing him to try for World Wrestling Championship; next in flashback in Challengers of the Unknown Vol. 3 #16)
- Red Ryan (earliest chronological appearance in flashback preceding Showcase #6; next in flashback in Challengers of the Unknown Vol. 3 #16)
- Prof Haley (earliest chronological appearance in flashback preceding Showcase #6; next in flashback in Challengers of the Unknown Vol. 3 #16)
Villain(s):
- Barton (first appearance; in flashback only; a crooked wrestler)
- Wilfred Clayton (first appearance; lies to the Challengers saying he saved their lives to help him assemble a large robot)
Location(s):
- Central America
Story Reprinted in:
- Showcase Presents Challengers of the Unknown #2 (2008)