Issue: #21
Collects The Uncanny X-Men #156 and The Uncanny X-Men #157.
Creators: Bob Wiacek, Jim Shooter, Dave Cockrum, Janice Chiang, Chris Claremont, Louise Jones Simonson, Don Warfield
Characters: Araki, Hepzibah, Raza, Colossus, Waldo, Havok, Kitty Pryde, D'Ken, Ch'od, Corsair, Sikorsky, Deathbird, Wolverine, Nightcrawler, Storm, Professor X, Tigra, Lord Samedar, Katherine Summers, Cyclops