Why it's Hot:
- Cover art by Dave Cockrum and Terry Austin
- 1st full appearance of Proteus, a powerful reality-warping mutant
- Mastermind appearance tied to the Dark Phoenix Saga buildup
- Key Bronze Age X-Men issue from the Claremont and Byrne run
- White Pages
Synopsis:
The X-Men discover that the mysterious Mutant X is actually Proteus, Moira MacTaggert’s son, a being who must constantly possess new host bodies. As they attempt to stop him, his reality-warping powers prove nearly unstoppable while Jean Grey continues to suffer visions manipulated by Mastermind.
