The X-Men--mutant protectors of a world that fears and hates them. The Avengers--Earth's mightiest heroes, the greatest super-team ever assembled. Now they must put aside their differences and join forces against the Leader, the gamma-powered evil genius who has already abducted one Avenger and two X-Men as part of his latest plan--with the fate of the entire globe at stake!

Bringing the classic X-Men and the Avengers: Gamma Quest trilogy back into print in a brand-new omnibus. The X-Men--mutant protectors of a world that fears and hates them. The Avengers--Earth's Mightiest Heroes, the greatest super-team ever assembled. When the Scarlet Witch of the Avengers and Rogue of the X-Men both disappear under mysterious circumstances, each team's search leads them to more questions than answers. Desperate to recover their missing teammates, they must join forces to uncover the truth. But their efforts will bring them up against a foe with the deadliest power of all: to make them turn on each other!

Collects Deadpool Kills the Marvel Universe #1-4. What if everything you thought was funny about Deadpool was actually just disturbing? What if he decided to kill everyone and everything that makes up the Marvel Universe? What if he actually pulled it off? Would that be FUN for you? The Merc with a Mouth takes a turn for the twisted in a horror comic like no other!

When Magneto's on trial, he needs all the help he can get - and he finds it in the remnants of his former fortress, Asteroid M! The X-Men aren't sure what the scheme is, but they're positive they don't want the Avengers and the Soviet Super-Soldiers to find out first.

Collects Cable (1993) #32-33, Uncanny X-Men (1981) #333-335, X-Force (1991) #55, X-Man (1995) #15-17, X-Men (1991) #53-54, X-Men Unlimited (1993) #11, Onslaught: X-Men (1996) #1, Avengers (1963) #401, Fantastic Four (1961) #415. Everything changes for the Children of the Atom and Earth’s Mightiest Heroes! Behold the psionic force of nature known as Onslaught — but what dread foe could terrify the unstoppable Juggernaut? As Cable battles Post, herald of the oncoming doom, Nate Grey faces a ghost from his past — and Onslaught gathers his forces! The Avengers join the X-Men to work out a battle plan, but could the answers lie with finding Magneto? And Charles Xavier has a troubling proposal for the Fantastic Four. But when Onslaught’s identity is revealed, who will be the traitor to the cause?

Collects Avengers (1963) #402; Punisher (1995) #11; Thor (1966) #502; Wolverine (1988) #105; X-Men (1991) #56-57, Annual '96; Onslaught (1996): Marvel Universe, Epilogue; Cable (1993) #36; Uncanny X-Men (1981) #337; X-Men: The Road to Onslaught (1996) #1; material from Fantastic Four (1961) #416. The Onslaught saga reaches its world-shattering climax! The truth about Onslaught’s origin has already struck at the very heart of the X-Men. Now, the evolving and all-powerful villain assaults New York City with robotic Sentinels — and prepares his genocidal endgame! As an army of Earth’s heroes amasses, will the Avengers and Fantastic Four make the ultimate sacrifice to save the planet? When the dust settles, who will remain standing to fight another day? And what does the future hold for a guilt-stricken Charles Xavier?

Collects Avengers #368-369, Avengers West Coast #101, X-Men #26, Uncanny X-Men #307 and Black Knight: Exodus #1. The X-Men and Avengers head for Genosha where civil war has erupted and Exodus & Cortez have arrived to fan the flames! Can even the X-Men and Avengers combined bring peace to a nation at war and defeat two madmen?

Collects Amazing X-Men #7-12.

Collects Uncanny X-Men #19-24.

Collects Wolverine & The X-Men #30-35.Students at the Jean Grey School are missing, and a furious Wolverine and Rachel Summers intensify their search for the all-new Hellfire Club. Meanwhile, Beast goes to the S.W.O.R.D. orbital HQ to ask an X-Villain for help with Broo's sad state - but nothing ever goes as easily as the X-Men hope. The storyline that's been building for over a year is finally, explosively here! The Hellfire Saga begins now!