Issue: #28
Big action. Big Science. And a Big Mystery to solve! The superstar team of Warren Ellis and Simone Bianchi take the X-Men on a mission that will take them into mind-bending and previously uncharted territory -- one that will test them -- and their leader Cyclops -- to their very core.
First appearances: Chameleon
Creators: Axel Alonso, Dan Buckley, Joe Quesada, Joe Caramagna, Warren Ellis, Daniel Ketchum, Andrea Silvestri, Simone Bianchi, Simone Peruzzi
Characters: Storm, Wolverine, Beast, Cyclops, Emma Frost, Armor, Forge, Chameleon, Subject X
Story arcs: Ghost Boxes