- Script
- Len Wein (plot); Chris Claremont (script); Morten Søndergård (oversætter)
- Pencils
- Dave Cockrum
- Inks
- Bob McLeod (misspelled McCleod)
- Letters
- Helen Fenger
- Genre
- superhero
- Characters
- X-Men [Professor X; Cyclops; Storm; Wolverine; Colossus; Thunderbird; Banshee; Nightcrawler]; Jean Grey; Iceman; Angel; Havok; Lorna Dane; Beast; Sunfire; Count Nefaria; Ani-Men [Frog-Man; Bird-Man; Ape-Man; Cat-Man; Dragonfly]; General Fredericks; Porcupine; Eel; Scarecrow; Unicorn; Plant Man
- Synopsis
- The old X-Men quit, but Cyclops stays behind to lead the new team. Nefaria takes over Valhalla air force base, and the X-Men move in to stop him.
- Reprints
- Keywords
- Danger Room; Valhalla air force base
Story is divided into two chapters with the second chapter being called "Angreb på Valhal!"
- Script
- Chris Claremont; Morten Søndergård (oversætter)
- Pencils
- Dave Cockrum
- Inks
- Sam Grainger
- Letters
- Helen Fenger
- Genre
- superhero
- Characters
- X-Men [Professor X; Storm; Wolverine; Colossus; Banshee; Nightcrawler]; Leprechauns of Cassidy Keep; Black Tom; Juggernaut; Eric the Red; Magneto; D'Ken
- Synopsis
- The X-Men are assisted in their fight against Black Tom and Juggernaut by Leprechauns
- Reprints
Lilandra is named "Princess Neramani" by D'Ken.
- Script
- Chris Claremont; Morten Søndergård (oversætter)
- Pencils
- Dave Cockrum
- Inks
- Dan Green
- Letters
- Helen Fenger
- Genre
- superhero
- Characters
- X-Men- [Cyclops; Phoenix [Jean Grey]; Storm; Wolverine; Colossus; Banshee; Nightcrawler]; GUESTS: Lilandra; Starjammers [Corsair (first appearance); Raza (first appearance); Hepzibah (first appearance); Ch'od (first appearance)]; VILLAINS: D'Ken; Eric the Red [Davan Shakari]; Gladiator; Imperial Guard [Electron (first appearance); Oracle (first appearance); Tempest (first appearance); Mentor (first appearance); Hobgoblin (first appearance); Starbolt (first appearance); Smasher (first appearance); Impulse (first appearance); Titan (first appearance); Fang (first appearance); Midget (first appearance); Nightshade (first appearance); Astra (first appearance); Magic (first appearance); Quasar (first appearance)]; Soul-Drinker (first appearance); CAMEO FLASHBACK: Professor X; Magneto; Black Tom Cassidy; Juggernaut; Havok; Polaris; Firelord; CAMEOS: Peter Corbeau; Mr. Fantastic; The Thing
- Synopsis
- The X-Men try to save Lilandra from her evil cousin who is trying to use the M'Kraan Crystal to achieve ultimate power, but the Imperial Guard get in the way. The Starjammers show up to the rescue.
- Reprints
- Keywords
- M'Kraan Crystal
Note 1: 1st M'Kraan Crystal
Note 2: The Imperial Guard can be seen as a homage to DC's Legion of Super-Heroes. Dave Cockrum did previously work on the Legion title.