A great assembly of heroes is doing battle with Red Onslaught; the villain is employing Stark’s indestructible Sentinels against them. Tony tries to dredge up the buried memories of how he created them to combat his friends during the Civil War, hoping to recall their weakness. Soon Iron Man finds himself alone against one of the monsters; Dr Strange rescues him in the nick of time. Rogue reveals that a shred of Professor X’s personality remains in Red Onslaught so they devise a plan to cause Xavier to become the dominant personality. Magneto uses his powers to distract the Sentinels while Scarlet Witch and Dr Strange channel the forces of chaos and order to allow Rogue to penetrate the villain’s mind to find Xavier. Something goes wrong and it’s Nova’s fault. Then Wanda and Strange vanish; Magneto is knocked out. A Sentinel (or Onslaught) steps on Iron Man and starts pressing down. Tony flexes helplessly as his armor starts to fail; Nightcrawler teleports him out in the nick of time….
Tony awakens to find that only a small percentage of them have regrouped: Colossus, Cyclops, Havok, Invisible Woman, Medusa, Nightcrawler, Quentin Quire, Wasp. They are cut off from help and decide to make a last stand against Red Onslaught. They make their peace with one another, unwittingly forming the Avengers/X-Men/Inhumans unity team that Xavier always wanted. They rush into battle and are defeated as they vanish in groups leaving Iron Man, powerless and helpless, before their foe. Red Onslaught gloats over his victory but at the last minute, Magneto arrives with a force of supervillains looking for a fight….