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.

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.

No evildoers have tried to flatten Peter Parker in weeks. His marriage to Mary Jane is stronger than ever, and he's enjoying his job as a high-school science teacher. Life is good. Naturally, that doesn't last. When Peter learns that his old enemy, the Rhino, is on a rampage in Times Square, he suits up as Spider-Man to stop the destructive villain in his tracks. But he's unexpectedly foiled in his attempts by the Black Cat, a former ally and old flame. The Cat informs Peter that the Rhino is just a distraction - the real threat comes from a group of Ancients.

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.

While visiting Japan, Wolverine is recruited to recover a stolen experimental drug, one that has the potential to be a true miracle cure for all human disease - or a sadistic means of enslaving the world. With every hour bringing mankind closer to tragedy, he embarks on a daring mission to identify the thieves and thwart their terrifying agenda.

In a world where costumed heroes soar through the sky and masked vigilantes prowl the night, someone has to make sure the "supes" don't get out of line. And someone will! Billy Butcher, Wee Hughie, Mother's Milk, The Frenchman, and The Female are The Boys: a CIA-backed team of very dangerous people, each one dedicated to the struggle against the most dangerous force on Earth - superpower! Some superheroes have to be watched. Some have to be controlled. And some of them - sometimes - need to be taken out of the picture. That's when you call in The Boys!

Under secret orders to assassinate the Widow, Hawkeye, the rough-edged marksman, finds himself caught up in a violent prison break that releases some of the world's most vicious and powerful criminals. Defying his superiors, Hawkeye joins forces with the sultry Russian spy and a mismatched group of personalities that include Spider-Man, Spider-Woman, Luke Cage, Captain America, and Iron Man.

A vicious serial killer named Cletus Kasady has had his body chemistry altered by an alien creature. Now, Kasady can transform into Carnage, who, along with his lethal living costume, lives for chaos and random acts of senseless, brutal murder! Carnage has been returned to New York in chains, the subject of a daring attempt to reverse the effects of his metamorphosis. When the interference of a deranged scientist causes the experiment to go horribly wrong, Carnage is set loose upon the city once again!

J. Jonah Jameson, the publisher of the Daily Bugle, has denounced Spider-Man from the beginning, convincing New Yorkers to see him as a criminal and a menace. But when a robot attack on Manhattan injures Peter Parker's students and Jameson blames Spider-Man, their feud takes on a personal dimension.

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.