| Unofficial Action Comics Index |
Credits:
| Story | Jerry Siegel |
| Pencils | Wayne Boring |
| Inks | Stan Kaye |
| Editing | Mort Weisinger |
Feature Character(s):
- Superman (last in Superman's Girl Friend Lois Lane #15; next in Brave and the Bold #28; also in flashback in between the flashback in World's Finest Comics #105 and the flashback in Superman Vol. 1 #176/2)
Villain(s):
- Anti-Superman Gang (first appearance of "Big Bob" Krueger and a "welder")
- Urko the Terrible (first appearance; in flashback; dies)
- Fire-People (in flashback)
Other Character(s):
- Kandorians (Mars-Ol and Ra-Ho)
- visitors to the Fortress (Alvin, a young boy identified)
- the Mayor of Metropolis
Cameo Appearance(s):
- Jimmy Olsen (wax statue; in flashback)
- Lois Lane (was statue; in flashback)
- Perry White (wax statue; in flashback)
- Jor-El (wax statue; in flashback)
- Jonathan Kent (wax statue; in flashback)
- Martha Kent (wax statue; in flashback)
Location(s):
- Space Sector 2813
- Krypton (in flashback)
- Space Sector 2814
- Earth
- Fortress of Solitude (also in flashbacks when it was at different locations)
- Metropolis
- Earth
Story Reprinted in:
- Superman Vol. 1 #187 (June 1966)
- Showcase Presents Superman #2 (2006)
- Superman: The Secrets of the Fortress of Solitude ([April] 2012)
Credits:
| Story | Robert Bernstein |
| Art | Howard Sherman |
| Editing | Mort Weisinger |
Feature Character(s):
- Congorilla (next in Adventure Comics #270/2)
Supporting Character(s):
Villain(s):
- ivory smugglers (first appearance; Harry named)
- river pirates (first appearance of all)
Other Character(s):
- Congo River police
- a freighter crew
- spectators and officials at the Congo River Dam (first appearance of all
Location(s):
- the Congo River, Africa
Story Reprinted in:
- World's Finest Comics #151/2 (August 1965)
Credits:
| Story | Jerry Siegel |
| Art | Jim Mooney |
| Lettering | Milt Snapinn |
| Editing | Mort Weisinger |
Feature Character(s):
Other Character(s):
- Streaky (first appearance; next in #266/2)
- a milkman
- Miss Hart (last in issue #254/3)
- children at the orphanage
Location(s):
Comment(s):
- First appearance of X-Kryptonite.
Story Reprinted in:
- Action Comics #334/4 (March 1966)
- Supergirl Archives #1 (2001)
- Showcase Presents: Supergirl #1 ([November] 2007)
- Supergirl: The Silver Age Omnibus #1 ([June] 2016)
- Supergirl: The Silver Age Vol. 1 (2017)