| Release: | Apr 13, 1971 |
| Cover: | Jun 1971 |
The Big Boom!
| Release: | Apr 13, 1971 |
| Cover: | Jun 1971 |
The Four Armed Terror and a swarm of D.N.Aliens are all piling on to the runaway nuclear reaction, and Superman sees no way to prevent an explosion that would destroy all of Metropolis.
| Writer | Jack Kirby |
| Cover Penciller | Jack Kirby |
| Cover Inker | Neal Adams |
| Penciller | Jack Kirby |
| Inker | Vince Colletta |
| Superman | Kal-El / Clark Kent |
| Perry White | |
| Morgan Edge | |
| James Bartholomew 'Jimmy' Olsen | |
| Big Words | Anthony Rodriguez |
| Scrapper | Patrick MacGuire |
| Gabby | Johnny Gabrielli |
| Mokkari | |
| Simyan | |
| Flip | Walter Johnson |
| Laura Conway | |
| Tommy | Thomas Thompkins |
| Big Words | Anthony Rodriguez Jr. |
| Gabby | Johnny Gabrielli Jr. |
| Scrapper | Patrick Macguire Jr. |
| Tommy | Thomas Thompkins Jr |
| Flip | Walter Johnson Jr. |
| Four-Armed Terror | |
| Guardian | James Jacob 'Jim' Harper (Clone) |
| Terry Dean |
| Age | Bronze Age |
|---|---|
| Format | Comic |
| Series Group | Superman |
| Genre | Adventure |
| No. of Pages | 32 |
| Country | USA |
| Language | English |