| Release: | Sep 08, 1964 |
| Cover: | Dec 1964 |
Side-By-Side With Sub-Mariner!
| Release: | Sep 08, 1964 |
| Cover: | Dec 1964 |
Namor has been betrayed by a now-regretful Dorma. His opponent, Attuma, wishes to overthrow Namor and rule Atlantis in his stead. Dorma appeals to the Fantastic Four to help one of their greatest enemies.
| Writer | Stan Lee |
| Cover Penciller | Jack Kirby |
| Cover Inker | Chic Stone |
| Penciller | Jack Kirby |
| Inker | Chic Stone |
| Letterer | Sam Rosen |
| Editor | Stan Lee |
| The Thing | Benjamin J. Grimm |
| Mr. Fantastic | Reed Richards |
| Human Torch | Jonathan 'Johnny' Storm |
| Invisible Woman | Susan Storm Richards |
| Sub-Mariner | Namor McKenzie |
| Attuma | |
| Dorma |
| Age | Silver Age |
|---|---|
| Format | Digital |
| Series Group | Fantastic Four |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |