"She's Dead, Jim!"
An introduction by former X-Men editor Jim Salicrup.
"The Fate of the Phoenix!"
Presents X-Men (1963) #137 with the original ending, where Phoenix (Jean Grey) doesn't die but is instead stripped of her powers.
"The Dark Phoenix Tapes"
An interview with Chris Claremont, John Byrne, Terry Austin, Jim Shooter, Jim Salicrup, and Louise Jones discussing the reasons behind the changes to the original story intended for X-Men #137 and where the storyline might have progressed if it had been published.
Also includes a pin-up art page with the unpublished splash page intended for X-Men (1963) #138.