Why it's Hot:
- Cover art by Dave Cockrum
- 1st cameo appearance of Amanda Sefton, ex-girlfriend of Nightcrawler and former ruler of Limbo, later named Daytripper
- Wolverine unmasks for the first time and reveals that his claws are part of his body, not part of his gloves as initially intended
- Unofficial DC crossover featuring a reporter named Clark Kent appearing in Marvel books
- Cameo appearance of Jack Kirby and Stan Lee
Synopsis:
MERRY CHRISTMAS, X-MEN… On the eve before the holiday, the X-Men celebrate Christmas in their own ways across New York City. Their festivities are interrupted when the Sentinels return, setting into motion a dangerous confrontation with the mutant-hunting machines.
