He's a walking mountain of strength and sinew. The X-Men know they can never stop him. They hope only to contain him. He is one with the Crimson Gem of Cyttorak and, as such, shares its limitless power. As his name suggests, he is unstoppable. Thus begins one of the most successful and talked-about epics in Marvel Comics history: Onslaught.
The X-Men have discovered the secret behind Onslaught's omnipotence, but what of Earth's other mutants? This collection's got it all, from the return of Cable to X-Force to the X-Man's first encounter with Mr. Sinister. And if that weren't enough, this story also features the Marauders, who haven't been seen since the famous "Mutant Massacre" story line
The world's most powerful mutant team failed to stop him, and now Onslaught begins his quest to place homo-superior over mankind. But the X-Men's failure only signals that Earth's other heroes are joining the fray. Still, can the combined might of all the X-Teams, the Fantastic Four, and the Avengers finally end the terror of Onslaught? Don't bet on it
Onslaught has captured the son of Mr. Fantastic and Invisible Woman, and is using the child's psychic powers. Earth's only hope may lie in Cable, mutant telepathic warrior from the future. All Cable has to do is get past a savage Hulk, brainwashed by Onslaught and sent to destroy him.
The Sentinels have taken Manhattan. Designed to hunt mutants, these giant robots adapt to any threat. They have proven worthy adversaries for the X-Men, Avengers, and Fantastic Four -- the big guns of the Marvel Universe. What hope do Spider-Man, The Punisher, and Green Goblin have against them?