Dimension-hopping and intergalactic adventure are mutant rites of passage, and it’s high time the All-New X-Men took the plunge! First, they’re off to a world like their own, but oddly different, to meet Miles Morales, the Ultimate Spider-Man — and their own counterparts! Welcome to the Ultimate Universe, gang, hope you survive the experience! And in the wake of that encounter, the time-tossed teens get caught up in a cosmic caper over an object of great power. When some of the team are kidnapped by the vicious Mister Knife, the rest must unite with the Guardians of the Galaxy to discover the secrets of the Black Vortex. Will its dark reflections transform the young heroes forever? Action! Adventure! Romance! And a mystery, too, back on Earth: Who — or what — are the Utopians?