What better way to celebrate Free Comic Book Day then by assembling Earth's Mightiest-and most popular-Heroes? Iron Man! Captain America! Thor! Black Widow! Hawkeye! Hulk! Vision! Everyone's favorite heroes take on a dangerous new threat!

    But unless they learn to work together, neither of them will come back from their first mission together alive!

    This May, prepare yourself for the kickoff of the biggest comic event in Marvel history, with a special preview of Marvel's future in Secret Wars #0!

    The Guardians are about to welcome two new members — including Captain Marvel and one Mystery Marvel Superstar you'd never expect to see with the Guardians of the Galaxy!

    Be there as this mysterious new character makes their big debut! Are they friend or foe? How will their coming impact on the lives of the All-New, All-Different Avengers? The answers may surprise you, True Believer! Not only do you get a lead in to the escalating conflict of Civil War II, but you'll also be introduced to a big new character as the All-New Wasp rockets into the Marvel Universe.

    Star-Lord, Drax, Gamora, Rocket Raccoon and Groot head back to the stars just in time for their new ongoing series! That is, if they survive a run-in with the new Nova Corps!

    They are the Avengers, and they want it known they're here to stay. But when Magneto and his Brotherhood of Mutants threaten to destroy several major cities unless their demands for mutant supremacy are met, the Avengers are forced to quit looking to the future, and start hoping to live through the day!

    Rocket Raccoon is a wanted mammal, and he's out to clear his bounty - by any means necessary! And you'll never believe how!

    An Alternate Cover Edition exists here.Who is IRON MAN, the world-renowned symbol of mega-conglomerate Stark International? And what terrible secret from his past forces billionaire inventor TONY STARK to become the Golden Guardian? Find out here!

    maintain the status quo in a world full of green monsters, gods, and men in iron suits?

    Happy birthday, Captain- we salute you!

    The Wakandan scientists are honored to discuss the merits of engineering and physics with their fellow scientists, the Takumi Masters. This gathering of great minds also attracts the scheming, Machinesmith as he crashes the symposium, causing chaos as only he can.

    Plus, a Captain America story from Ta-Nehisi Coates and Leinil Francis Yu leading into their upcoming Captain America series!

    It's out action featuring the newest stars to be of Disney XD: Avengers and the Hulk and the Agents of S.M.A.S.H.! Featuring art pulled directly from the animated series, this sneak peek at the two newest animated series from the geniuses at Marvel Animation promises to make this the best yet!

    In the dark, crowded basement of the Chicago Museum of Science and Industry, a cultural biologist studies the history of mankind's deadly interaction with "Xenomorphic Alien Species." But something lurks in the darkness that may make the biologist's Alien encounter far less academic! Aliens: Free Comic Book Day is the frightening prequel to Aliens: More Than Human , written by John Arcudi (BPRD, Doom Patrol, The Mask ) and illustrated by Zach Howard ( Shaun of the Dead, Year One Batman: Scarecrow, The Cape ) and Mark Irwin ( Green Lantern, Brightest Day, X-Men ).