The X-Men head to Muir Island to make sure everything is fine there and discover that Eric the Red has grown Magneto back to adulthood (and Maggie isn't a very happy camper).
Letters page replies by Chris Claremont. The on-sale date is the publication date reported in the U. S. Copyright Office filing.
- It Had to Happen! The New X-Men Against Magneto Earth's Most Powerful Super-Villain! - Cover is a homage to the cover of X-Men (Marvel, 1963 series) #1.
- - Inside front cover. Ad for the King Kong movie.
- The Gentleman's Name Is Magneto - First Muir Isle; first mention of Mutant X (Proteus)
- - Letters of comment from Jo Duffy, Kent Roberts and Kevin Fitzgerald.
- - Inside back cover. Ad for various novelty items.
- - Back cover.