| Issue | #99 |
| Published | November 1980 |
| Frequency | Monthly |
| Cover Price | 0.50 USD |
| Pages | 36 |
| Editing | Denny O'Neil; Mark Gruenwald (assistant) |
| Notes | Copyright © 1980 by Marvel Comics Group, a Division of Cadence Industries Corporation. |
| Characters | Spider-Man [Peter Parker]; Machine Man [Aaron Stack]; Baron Brimstone; Sandman [Flint Marko] |
| Genre | Superhero |
| Pencils | Frank Miller (signed) |
| Inks | Dave Simons (signed) |
| Reprinted | in Complete Frank Miller Spider-Man, The (Marvel, 1994 series) #nn |
| Characters | Spider-Man [Peter Parker]; Machine Man [Aaron Stack]; Pamela Quinn; Gears Garvin; Peter Spaulding; Eddie Harris; Officer Grant Stevens; Baron Brimstone (villain); Sandman [Flint Marko] (villain) |
| Genre | Superhero |
| Script | Tom DeFalco |
| Pencils | Jerry Bingham |
| Inks | Mike Esposito |
| Colors | Ben Sean |
| Letters | Joe Rosen |
| Script | Steven Grant |
| Letters | typeset |
| Notes | Letters from readers - Charles Casner, Kevin C. McConnell, Andrew Sait, Cat Yronwode and Scott Peterson - and responses from Steven Grant. |
| Letters | typeset |
| Notes | Checklist is at bottom of letters page. |
| Characters | Mr. Fantastic [Reed Richards]; Impercepto (villain) |
| Genre | Superhero |
| Pencils | Sal Buscema ? |
| Inks | Frank Giacoia ? |
| Letters | Irving Watanabe |