| Issue | #99 |
| Published | June 1976 |
| Cover Price | $0.25 |
| Pages | 36 |
| Editing | Marv Wolfman |
| Notes | Letters page letter from Peter Sanderson. |
| Characters | Storm; Colossus; Cyclops; Banshee; Nightcrawler; Sentinels |
| Genre | superhero |
| Pencils | Dave Cockrum (signed) |
| Inks | Dave Cockrum (signed) |
| Letters | Irving Watanabe |
| Notes | Letters page letter from Peter Sanderson. |
| Reprinted | in Classic X-Men (Marvel, 1986 series) #7; in Marvel Masterworks (Marvel, 1987 series) #11 (1989); in Essential X-Men (Marvel, 1996 series) #1; in Uomo Ragno, L' (Edizioni Star Comics, 1987 series) #67; in X-Men Classic (Marvel Italia, 1995 series) #2 |
| Characters | FEATURE: X-Men--Cyclops; Jean Grey; Storm; Wolverine; Colossus; Banshee; Nightcrawler; GUEST: Peter Corbeau; VILLAINS: Sentinels; Stephen Lang; CAMEOS: Geraldo Rivera; Black Tom Cassidy; X-Sentinels--Cyclops; Marvel Girl; Iceman; Angel; Beast; Professor X |
| Synopsis | The X-Men race to SHIELD's orbital platform to rescue teammates from Lang and run up against Sentinels (some of who look like the original X-Men) |
| Genre | superhero |
| Script | Chris Claremont |
| Pencils | Dave Cockrum |
| Inks | Frank Chiaramonte |
| Colors | Michele Wrightson |
| Letters | Gaspar Saladino (page one); Irving Watanabe |
| Reprinted | in Classic X-Men (Marvel, 1986 series) #7; in Marvel Masterworks (Marvel, 1987 series) #11 (1989); in Essential X-Men (Marvel, 1996 series) #1; in Uomo Ragno, L' (Edizioni Star Comics, 1987 series) #66 [part 1, as reprinted and expanded in Classic X-Men #7]; in Uomo Ragno, L' (Edizioni Star Comics, 1987 series) #67 [part 2, as reprinted and expanded in Classic X-Men #7]; in X-Men Classic (Marvel Italia, 1995 series) #2 |