Published Jul 1980 by Marvel.
minor inner scuffs
Newsstand Edition.The Dark Phoenix Saga: Part 7 of 9 - "Dark Phoenix!" Cameos by the Fantastic Four, Spider-Man, Doctor Strange, and the Silver Surfer. Story by Chris Claremont and John Byrne. Art by John Byrne and Terry Austin. The unfettered might of the Dark Phoenix is unleashed upon an unsuspecting universe, and the repercussions oar terrible. What can the X-Men do to stop their teammate who has gone mad with unimaginable power?