| Release: | Jun 1939 |
| Cover: | Jun 1939 |
Superman vs. The Cab Protective League
| Release: | Jun 1939 |
| Cover: | Jun 1939 |
Superman breaks up a cab racketeering ring, but soon realizes that they are taking orders from someone even higher up the criminal ladder. His investigation leads him to the Ultra-Humanite, a criminal mastermind who plans to kill Superman.
| Writer | Gardner Fox, Jerry Siegel, Ken Fitch, Homer Fleming |
| Artist | Sven Elven, Fred Guardineer, Bernard Baily, Joe Shuster, Will Ely, Homer Fleming |
| Cover Artist | Joe Shuster |
| Letterer | Bernard Baily |
| Editor | Vincent Sullivan |
| Superman | Kal-El / Clark Kent |
| Age | Golden Age |
|---|---|
| Format | Comic |
| Series Group | Superman |
| Genre | Action | Super-Heroes |
| Country | USA |
| Language | English |