Clicking on the eBay link and making a purchase may result in this site earning a commission from the eBay Partner Network.
| Publisher |
Marvel |
| Writer |
Roy Thomas |
| Penciler |
Ross Andru |
| Inker |
Don Heck |
| Cover Artist |
Don Heck |
| Letterer |
Artie Simek |
| Cover Artist |
Frank Giacoia |
| Cover Artist |
Sam Rosen |
| Published | August 1967 |
The X-men finally meet Factor Three in Europe, but after a battle are defeated and trapped. They are being trailed by Changeling with a jury of some of X-men's enemies: Vanisher, Unus, Blob and Mastermind. The Mutant-Master is the leader of Factor Three and is helding Professor X and Banshee captive, watching the trial.
