In The Darkness Dwells...Doom! #20
| Series | The Sub-Mariner |
| Number | Vol. 1 #20 |
| Publisher | Marvel Comics, Magazine Management Co., Inc. |
| Date | 1969-12 |
| Type | Comic Book, Softcover |
| Language | English |
| Colorist | Marie Severin |
| Cover Artist | John Buscema, Johnny Craig |
| Editor | Stan Lee |
| Inker | Johnny Craig |
| Letterer | Artie Simek |
| Penciler | John Buscema |
| Writer | Roy Thomas |
| Genre | Superhero |
| Published in | New York |
| Pages | 32 |
| Characters | Prince Namor (Sub Mariner), Dr. Doom, Lady Dorma |
| Story Location | New York City; Manhattan, Latverian Embassy, Atlantic Ocean; Atlantis |
| Links | https://marvel.wikia.com/wiki/Sub-Mariner_Vol_1_20 |
Added by mlopinto