I run the institute now, not you... you're not even a mutant anymore, Charles... you don't belong here. 
Appearing in 1st story
Featured Characters:
- X-Men
- Professor X (Charles Xavier)
- Darwin (Armando Muñoz) (Main story and flashback)
Supporting Characters:
- Moira's secret X-Men (Only in flashback)
- Sway (Suzanne Chan) (Only in flashback) (Death)
- Petra (Only in flashback) (Death)
- Dr. Moira MacTaggert (Only in flashback)
Antagonists:
- Vulcan (Gabriel Summers) (Main story and flashback) (Appears as Kid Vulcan in flashback)
- Krakoa (Only in flashback)
- D'Ken Neramani (Only in flashback)
- Several unnamed Shi'ar soldiers (Only in flashback)
Other Characters:
- Marvel Girl (Jean Grey) (Vision or hallucination) (Only in flashback)
- Angel (Warren Worthington III) (Vision or hallucination) (Only in flashback)
- Corsair (Chris Summers) (Only in flashback)
- Katherine Summers (Only in flashback) (Death)
- Eric the Red (Davan Shakari) (Mentioned)
- Bishop (Lucas Bishop)
- Banshee (Sean Cassidy) (Named only)
- Siryn (Theresa Cassidy)
- Polaris (Lorna Dane)
- Quicksilver (Pietro Maximoff)
- Storm (Ororo Munroe)
Races and Species:
- Mutants
- Humans
- Cyborgs
- Shi'ar (Only in flashback)
- Genius Loci (Only in flashback)
Locations:
- Earth
- Europe
- Pacific Ocean (Only in flashback)
- Krakoa (Only in flashback)
- North America (Main story and flashback)
- United States of America (Main story and flashback)
- New York State (Main story and flashback)
- Westchester County (Main story and flashback)
- North Salem (Main story and flashback)
- Salem Center (Main story and flashback)
- Graymalkin Lane (Main story and flashback)
- Xavier Institute (Main story and flashback)
- Graymalkin Lane (Main story and flashback)
- Salem Center (Main story and flashback)
- North Salem (Main story and flashback)
- Westchester County (Main story and flashback)
- New York State (Main story and flashback)
- United States of America (Main story and flashback)
- Earth Orbit
Items:
- X-Uniforms
- Cyclops' Visor
- Wolverine's Suit
- Ruby-Quartz Sunglasses
- Cerebro (Only in flashback)
Vehicles:
- X-Men Stratojet (Only in flashback)
Synopsis for 1st story
- Synopsis not yet written
Notes
Xavier's claim that Krakoa's apparent sentience was merely an illusion he created is contradicted in Journey into Mystery: The Birth of Krakoa #1, which shows the island communicating with Nick Fury.