• Attempting to create a new Juggernaut, the Gem of Cyttorak is calling out.

• And none hears the call more than those who have previously housed the power of Cyttorak, Cain Marko and Colossus.

• But they aren't the only ones out to find the Gem. Can the X-Men uncover its location before it's too late? And can Colossus resist the temptation of the power of Cyttorak?