100-page special! Two mutant masterpieces!
A new saga begins! A select team of X-Men face the challenge of one of their deadliest enemies: The Shadow King! By Charles Soule, Jim Cheung & Mike Deodato jr!
The Gold X-Men team struggles to survive on a hostile alien world! By Marc Guggenheim and Diego Bernard!
Featuring material first published in Astonishing X-Men #1-3 and X-Men: Gold #19-20.