| Issue | #3 |
| Published | February 1980 |
| Cover Price | $0.40 |
| Pages | 36 |
| Editing | Danny Fingeroth |
| Characters | Namor the Sub-Mariner; Triton; The Leviathan |
| Genre | Superhero |
| Pencils | John Buscema |
| Inks | Frank Giacoia |
| Reprinted | from Sub-Mariner (Marvel, 1968 series) #3 |
| Characters | Namor the Sub-Mariner; Triton; Plant Man; The Leviathan; Lady Dorma; Lord Vashti; Destiny (cameo) |
| Genre | Superhero |
| Script | Roy Thomas |
| Pencils | John Buscema |
| Inks | Frank Giacoia |
| Letters | Sam Rosen |
| Notes | Story is cut by two pages. Original pages 7 and 10 have been omitted. Original page 8 has first panel removed. Original page 14 has panels 2 and 4 removed. Original page 15 has panels 1 and 2 removed. |
| Reprinted | from Sub-Mariner (Marvel, 1968 series) #3 |
| Notes | "Stan's Soapbox" by San Lee; "Marvel Masterpieces on sale this month" (39 titles). |
| Notes | House Advertisement for Marvel Comics Series (subscription page). |
| Notes | House Advertisement for: ROM SPACEKNIGHT series. |
| Characters | Mister Fantastic; Goldigger |
| Notes | Candy ad by the Baking Company using a one-page comic with Marvel heroes. |
| Notes | Total of 11 one-page and 1 two-page advertisements for: Crosman (air gun, Crosman), Hubba Bubba (chewing gum, Wm. Wrigley), Full Color Poster Spectacular (posters, Mail-Away Inc), Kawasaki Minis (toys, ?), Superhero Dolls (toys, Mego), MPC Wheels (model kits, MPC), Star Wars (action figures, Kenner, 2 pages), Shop By Mail (miscellaneous ads, 2 pages), ROM (game, Parker Brothers), Super Heroes Cars (toys, Corgi), LEGO Expert Builder Series (toys, LEGO). |