Why it's Hot:
- 1st appearance of the Sentinels, machines invented to hunt mutants
- 1st appearance of Dr. Bolivar Trask, creator of the Sentinels
- White Pages
Synopsis:
The X-Men face their greatest challenge yet when Dr. Bolivar Trask introduces the Sentinels to the world—giant robots programmed to hunt and eliminate mutants. As public fear mounts, the team must battle not only these formidable foes but also rising anti-mutant sentiment. This landmark issue kicks off a major chapter in X-Men history.