| Release: | Apr 1981 |
| Cover: | Apr 1981 |
By My Powers Shall I Be Vanquished!
| Release: | Apr 1981 |
| Cover: | Apr 1981 |
Spider-Man and Sub-Mariner are crippled by the Wizard's pain-giving ray, not realizing it has also moved Pete's spider-sense into Namor's head. That leaves Spider-Man vulnerable, and Namor headed towards insanity.
| Writer | Dennis O'Neil |
| Cover Penciller | John Romita Jr. |
| Cover Inker | Al Milgrom |
| Penciller | John Romita Jr. |
| Inker | Jim Mooney |
| Colorist | Roger Slifer |
| Letterer | Jim Novak |
| Editor | Al Milgrom |
| Editor in Chief | Jim Shooter |
| Spider-Man | Peter Parker |
| The Thing | Benjamin J. Grimm |
| Mr. Fantastic | Reed Richards |
| Invisible Woman | Susan Storm Richards |
| Sub-Mariner | Namor McKenzie |
| Sandman | William 'Flint Marko' Baker |
| Wizard | Bentley Wittman |
| Trapster | Peter Petruski |
| Deb Whitman | |
| Llyra | Llyra Morris |
| Vashti | |
| Debra Whitman | |
| Lord Vashti | Vashti Cleito-Son |
| Invisible Girl | Susan 'Sue' Storm-Richards |
| Age | Bronze Age |
|---|---|
| Format | Comic |
| Series Group | Spider-Man |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |