X-Men #104 CGC 9.4 WP 1st appearance of Corsair, father of Cyclops, Havok and Vulcan (cert 1025)

Why it's Hot:

• 1st appearance of Corsair, father of Cyclops, Havok and Vulcan
• 1st appearance of Ch'od, a member of the Starjammers
• 2nd cameo appearance of Lilandra
• First mention of Mutant X aka Proteus
• First meeting and battle of Wolverine and Magneto

Synopsis:

THE GENTLEMAN'S NAME IS MAGNETO 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).