76 pages of Mutant Mayhem!
The Gold X-Men team is trapped inside New York by Hydra – and the Darkforce Demons are waiting! By Marc Guggenheim and Ken Lashley!
The Blue X-Men team battle Emma Frost in New Tian – with a little help from Polaris! By Cullen Bunn and Cory Smith!
Features material first published in X-Men: Gold #7-8 and X-Men: Blue #9
— Description from Comic Vine community (comicvine.gamespot.com).
