| Release: | Mar 1964 |
| Cover: | Mar 1964 |
Four Worlds To Conquer
| Release: | Mar 1964 |
| Cover: | Mar 1964 |
Despero has returned, and has rapidly aged Snapper Carr, along with other hero who travels near Pleasant Grove. He has also created four parallel Earths to conquer, and sends members of the Justice League to them in order to gloat over his victories.
| Writer | Gardner Fox |
| Cover Penciller | Mike Sekowsky |
| Cover Inker | Murphy Anderson |
| Penciller | Mike Sekowsky |
| Inker | Bernard Sachs |
| Editor | Julius Schwartz |
| Batman | Bruce Wayne |
| Wonder Woman | Diana Prince |
| Green Lantern | Hal Jordan |
| Flash | Barry Allen |
| Martian Manhunter | J'onn J'onzz |
| Green Arrow | Oliver Queen |
| Atom | Ray Palmer |
| Aquaman | Arthur Curry |
| Despero | |
| Lucas 'Snapper' Carr | |
| Midge |
| Age | Silver Age |
|---|---|
| Format | Comic |
| Series Group | Justice League |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |