| Cover Artist | George Tuska, Sam Rosen |
| Editor | Stan Lee |
| Inker | Vince Colletta |
| Letterer | Artie Simek |
| Penciler | Don Heck, Steve Ditko |
| Writer | Roy Thomas, Stan Lee |
| Original Publisher | Canam Publishers, Inc. |
| Genre | Superhero |
| Published in | New York, New York |
| Pages | 32 |
| Characters | Cyclops (Scott Summers), Marvel Girl (Jean Grey), Beast (Hank McCoy), Iceman (Bobby Drake), Angel (Warren Worthington III), Professor X (Charles Xavier0, Supporting Characters:, Banshee (Sean Cassidy), Karl Kragg |
| Story Location | New York: Westchester County, Unknown US military base, Eastern Europe; East Germany, 5th Galaxy |
| Collects | "The Fateful Finale!" #39, "Mister Universe" |
| Links | Issue link · Reprint link · Reprint link |
| Notes | Reprinted Issues:
1st Story: X-Men Vol 1 #39, December, 1967; "The Fateful Finale!"
2nd Story: Amazing Adult Fantasy Vol 1 #10, March, 1962; "Mister Universe" |
