The annual event bringing together UNCANNY X-MEN, STEVE ROGERS: SUPER SOLDIER and NAMOR: THE FIRST MUTANT starts here! The X-Men get sucked into the Negative Zone and are held captive by Blastaar. But with the Fantastic Four still reeling from the death in the family it falls to Steve Rogers to step in and save the mutants from Blastaar. Continued in Steve Rogers; Super Soldier Annual 1 and Namor, the First Mutant Annual 1.
— Description from Comic Vine community (comicvine.gamespot.com).
