Iron Man and Captain America are two core members of the Avengers, the world's greatest superhero team. But when a tragic battle blows a hole in the city of Stamford, killing hundreds of people, the US government demands that all superheroes unmask and register their powers. To Tony Stark - Iron Man - it's a regrettable but necessary step. To Captain America, it's an unbearable assault on civil liberties.

Cyclops and Emma Frost re-form the team with the express purpose of "astonishing" the world. But when breaking news regarding the mutant gene unexpectedly hits the airwaves, will it derail their new plans before they even get started? As demand for the "mutant cure" reaches near-riot levels, the X-Men go head-to-head with the enigmatic Ord, with an unexpected ally - and some unexpected adversaries - tipping the scales!

In a dark and dangerous future, the mutant-hunting machines known as the Sentinels rule America with an iron fist. Almost all mutants and superhumans have been exterminated. Only a handful of imprisoned mutants remain to fight against their oppressive robotic overseers! Now Kate Pryde, former X-Man, must travel back in time and warn her present-day teammates of the coming danger - and hopefully prevent this horrible future from ever taking place!

The fate of the entire Marvel Universe hangs in the balance as Earth's mightiest heroes face their greatest challenge! Summoned across the stars by the mysterious and unbelievably powerful Beyonder, the Avengers, Spider-Man, the Fantastic Four, and the X-Men are set against their deadliest foes on the mysterious planet known as Battleworld - with the winner promised the ultimate prize. But as battle lines are drawn, new alliances are forged, and old enemies clash, one among them is not willing to settle for anything less than godhood.

Hydra has a synthetic pathogen that will make the entire human race dependent on them for the cure. A.I.M.'s newly developed nanotech compound to enslave humanity is dangerously close to contaminating the world's water supplies. Ultron is poised on the edge of Singularity, Earth's technology at his metallic fingertips. Dormammu has a plan to save the world - by claiming it as his own. The High Evolutionary is rewriting the human genome in a bid to turn humankind into a eugenic slave-race. Everybody wants to rule the world - and only the isolated Avengers can stop them.

The alien shapeshifters called the Chitauri were defeated by the Ultimates in a decisive battle, but suspicious activity leads the Ultimates to believe that not all of the aliens were destroyed in that cataclysmic attack. Stark Industries has developed means of quickly and easily detecting Chitauri DNA, but the federal government refuses to adopt the technology, claiming that if the tech is widely available, the Chitauri will find a way to fool it. Frustrated by the government’s seeming unwillingness to protect its own people, Captain America takes matters into his own hands.

The Ultimates - the first government-sponsored cadre of super heroes - was assembled to face threats to humanity too insanely powerful for other operatives to handle. But even the Ultimates are unprepared for a quintet of mysterious visitors who appear in the midst of the team's top-security base of operations, claiming to be emissaries from the future. These "Tomorrow Men" say Earth's civilization are at a crossroads - on the verge of enslavement by a secret, immensely efficient organization known in the future as Tiber.

What drives the Man Without Fear? Matt Murdock was raised by a single father, an over-the-hill prizefighter with one last chance to make good - a chance that cost him his life. Taunted and tormented by other children, Matt's life was irrevocably altered after he was blinded by radioactive materials while saving the life of an old man. The payoff? An unbreakable will and a keen intelligence, helping focus the super-senses with which he was blessed during the accident. His story is one of love, pain, disappointment, and strength.

Betrayed by Earth's heroes and exiled into outer space, the man-monster known as the Incredible Hulk has landed on the distant planet Sakaar, ruled by the tyrannical Red King. Sold into slavery, the Hulk becomes the Green Scar, the planet's mightiest gladiator! But his new masters get more than they bargained for when he forges a bond of brotherhood with his fellow fighters: crafty insectoid Miek, the horrific Brood, wise rock-man Korg, Shadow Warrior Hiroim, noble-born rebel Elloe, and her loyal guardsman Skee. Together, these gladiators start a revolution.

This exciting new anthology has over a dozen original tales starring the vicious foes of Marvel's superheroes: Greg Cox's chronicle of the Super-Skrull's conflict with the Avengers, Michael Jan Friendman's story of evil Loki's latest attempt to snare his stepbrother Thor, Adam-Troy Castro's tale of a mutant who brings Magneto and X-Men's Professor X together in a unique manner, Glenn Greenberg's pairing of Venom and the Absorbing Man in an unlikely jailbreak.