Issue: #64
The Ultimates guest-star in the Ultimate X-Men’s most earth-shattering adventure! It’s all-out war inside the Triskelion, as multiple factions of mutants battle against Captain America and his teammates. At stake—the final fate of the master of magnetism—Magneto! Part 4 (of 5).
Creators: Dan Buckley, Joe Quesada, John Barber, Brian K. Vaughan, Justin Ponsor, Jacob Chabot, Chris Eliopoulos, Wade von Grawbadger, Stuart Immonen, Ralph Macchio, Nicole Wiley Boose
Characters: Captain America, Iron Man, Magneto, Scarlet Witch, Angel, Colossus, Emma Frost, Havok, Iceman, Jean Grey, Quicksilver, Dazzler, Mystique, Polaris, Wasp, Black Widow, Cypher, Forge, Northstar, Lady Deathstrike