| Release: | Feb 1971 |
| Cover: | Feb 1971 |
Prisoners Of The Immortal World
| Release: | Feb 1971 |
| Cover: | Feb 1971 |
Robin is trying to keep the peace at a student protest when Superman arrives to help him keep two fighting brothers apart. Plans go awry when all four of them are captured by technologically superior aliens.
| Writer | Mike Friedrich |
| Cover Penciller | Neal Adams |
| Penciller | Dick Dillin |
| Inker | Joe Giella |
| Editor | Julius Schwartz |
| Superman | Kal-El / Clark Kent |
| Alfred Pennyworth | |
| Robin | Dick Grayson |
| Age | Bronze Age |
|---|---|
| Format | Comic |
| Series Group | World's Finest |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |