| Issue | #20 |
| Published | November 1991 |
| Cover Price | 1.00 |
| Pages | 36 |
| Editing | Terry Kavanagh |
| Characters | Namor; Namorita |
| Genre | superhero |
| Pencils | John Byrne |
| Inks | John Byrne |
| Characters | FEATURE: Namor; GUESTS: Namorita (Full Origin; New Details); Phoebe Marrs; Lady Dorma; Namora; VILLAIN: Plant Man; CAMEOS: Punisher; Misty Knight; Colleen Wing; Tyrone King; CAMEO FLASHBACK: Captain America; Human Torch |
| Synopsis | Namorita is a clone of her mother. |
| Genre | superhero |
| Script | John Byrne |
| Pencils | John Byrne |
| Inks | John Byrne |
| Colors | Mike Thomas |
| Letters | John Byrne |