Jonathan Hickman's epic Avengers saga begins here! When Earth's Mightiest Heroes expand their sphere of influence to a global - even interplanetary - level, who will answer Captain America's call? When Earth is attacked, the new team's first mission takes them to Mars - and sets them on a dangerous path filled with deadly, godlike enemies beyond anything they have faced before! Meanwhile, cascading multiversal Incursions threaten all of reality - and only Tony Stark and his secretive Illuminati allies know it! Can Mr. Fantastic, the Black Panther, Black Bolt, Namor and the Beast join Iron Man in saving the Multiverse - or is everything destined to die? Plus, from original New Mutants to the newest Avengers, join Cannonball and Sunspot in a bizarre adventure on Mojoworld!