In a time before the X-Men, Xavier ran into another mutant whose mental abilities rivaled his own. Witness the battle that decided the fate of mutant and mankind for generations to come.
Printed: Jan 1979
Writers: Chris Clairemont and John Byrne
Art: John Byrne and Terry Austin
Cover: Dave Cockrum
- 1st appearance of the Shadow King, Amahl Farouk, a powerful psychic
- Origin of Professor X concerning a difficult psychic battle against Amahl Farouk which was the inspiration to create the X-Men
- Professor X recalls his first encounter with Storm
