| Issue | #250 |
| Published | January 1983 |
| Cover Price | 0.60 |
| Pages | 52 |
| Editing | Jim Salicrup (Plot); Tom DeFalco (Script); Lance Tooks (Assistant) |
| Characters | Mr. Fantastic; Invisible Woman; Human Torch; The Thing; Gladiator; Captain America; Spider-Man; Skrulls disguised as Cyclops; Storm; Colossus; Nightcrawler |
| Genre | superhero |
| Pencils | John Byrne |
| Inks | Terry Austin |
| Letters | Typeset |
| Reprinted | in FANTASTIC FOUR VISIONARIES: JOHN BYRNE #2 (Marvel, 2004 series) |
| Characters | FEATURE: Fantastic Four--Mr. Fantastic; Invisible Girl; Human Torch; The Thing; GUESTS: Gladiator; Spider-Man; Captain America; Bernie Rosenthal; Alicia Masters; VILLAINS: Skrulls disguised as X-Men--Cyclops; Colossus; Nightcrawler; Storm; Angel |
| Synopsis | The FF get a little help from Cap, Spidey and Gladiator in battling a batch of Skrulls who are disguised as the X-Men. |
| Genre | superhero |
| Script | John Byrne |
| Pencils | John Byrne |
| Inks | John Byrne |
| Colors | Christie Scheele |
| Letters | Joe Rosen |
| Reprinted | in FANTASTIC FOUR VISIONARIES: JOHN BYRNE #2 (Marvel, 2004 series) |
| Characters | Mr. Fantastic; Invisible Girl; Human Torch; The Thing; Franklin Richards |
| Genre | superhero |
| Pencils | John Byrne |
| Inks | John Byrne |
| Letters | John Byrne? |
| Reprinted | in FANTASTIC FOUR VISIONARIES: JOHN BYRNE #2 (Marvel, 2004 series) |