Why it's Hot:
- 1st appearance of Havok (Alex Summers) in costume
- Cover art by Neal Adams and Tom Palmer
Synopsis:
In this key issue, Larry Trask hunts mutants, leading to the capture of Iceman and Lorna Dane, while Alex Summers debuts his classic black costume with white circles as Havok. Meanwhile, the X-Men face Sentinels in the US and the Living Monolith in Egypt, setting the stage for major mutant conflicts.