- Script
- John Francis Moore
- Pencils
- Paul Smith (storyboard); Fabio Laguna; Al Rio; Edde Wagner; Manny Clark (credited as Mandel Alves Flor) (misspelled, see notes)
- Inks
- Ralph Cabrera; Keith Champagne; John Lowe; Mark McKenna; Al Milgrom; Joe Rubinstein; Tim Townsend
- Colors
- Joe Agostinelli; Ariane Lenshoek; Mel Sanchez; Andrew Triana; Matt Webb
- Letters
- Steve Dutro; Bill Oakley; Richard Starkings
- First Line of Dialogue or Text
- Below the eighty-third parallel, high in the mountains of Antarctica, a siren sounds, cutting through the roar of the subzero wind.
- Genre
- superhero
- Characters
- X-Men [Cyclops; Jean Grey]; Havok; Polaris; Nereel; Sauron; Savage Land Mutates [Barbarus; Forearm; Worm; Whiteout; Lupo; Brainchild]; Angel (cameo flashback); Beast (cameo flashback)
- Synopsis
- The X-Men rescue Havok from the Savage Land.
- Reprints
The credits do not indicate who did what pages. Manny Clark has his birth name Manoel Alves Flor misspelled. Story split in XX chapters: 1) The Arrival (15 pages) / 2) The Ties That Bind (16 pages) / 3) Wings of Despair (15 pages).
- Script
- ?
- Pencils
- John Romita Jr. (illo)
- Inks
- Tom Palmer (illo)
- Colors
- ? (illo)
- Letters
- typeset
- First Line of Dialogue or Text
- Today, I received X-Men Unlimited #4, and I was completely blown away.
- Characters
- Gambit; Jean Grey; Storm
Letters from readers: Tina Randleman, Sherman Richardson, David Furlong, Susan Lonchar, Andrew Burke, Ben Lomax, Tom Groot, Will Duyok, and Doug Peck. Blurb for next issue. Illustration from a next issue's pin-up (recolored).