The Mad Thinker and the Puppet Master join forces, exerting control over Professor X, and using him to command the X-Men to combat the Fantastic Four. The teams come to blows, but their true nature cannot be ignored, leading them to drag out the fighting long enough to realize what’s really going on.
| Barcode | N/A |
|---|---|
| Character | Marvel Girl (Jean Grey), Angel (Warren Worthington III), Professor X (Charles Francis Xavier), Alicia Masters, Awesome Android (Awesome Andy), Puppet Master (Phillip Masters), Mad Thinker, Human Torch (Jonathan 'Johnny' Storm), Mr. Fantastic (Reed Richards), The Thing (Benjamin J. Grimm), Beast (Henry 'Hank' McCoy), Iceman (Robert 'Bobby' Drake), Invisible Woman (Susan Storm Richards), Cyclops (Scott Summers) |
| Cover Date | July 1964 |
| Issue | 28B |
| Rating | N/A |
| Artist | N/A |
| Colorist | N/A |
| Cover Artist | N/A |
| Cover Colorist | N/A |
| Cover Inker | George Roussos |
| Cover Painter | N/A |
| Cover Penciller | Jack Kirby |
| Cover Separator | N/A |
| Editor | Stan Lee |
| Editor in Chief | Stan Lee |
| Inker | Chic Stone |
| Layouts | N/A |
| Letterer | Artie Simek |
| Painter | N/A |
| Penciller | Jack Kirby |
| Plotter | N/A |
| Scripter | N/A |
| Separator | N/A |
| Translator | N/A |
| Writer | Stan Lee |
