The mother of all back-from-the-dead stories! Jean Grey was touched by cosmic power, Jean Grey went insane and destroyed a world, Jean Grey sacrificed her life to save the universe - but it wasn't Jean Grey at all! Mutantkind's most remarkable resurrection, spread across three titles: AVENGERS, FANTASTIC FOUR and X-FACTOR! Guest-starring the Sensational She-Hulk, the Incredible Hercules and more! Collecting AVENGERS (1963) #263, FANTASTIC FOUR (1961) #286, X-FACTOR (1986) #1, and material from CLASSIC X-MEN #8 and #43.