There came a day! A day unlike any other... when two of Marvel's top creators teamed up for the very first time to create a bombastic new Marvel series that not only ushers in the Heroic Age of Marvel Comics but unleashes onto the world the most blockbuster Avengers team ever! Who will answer the call? And will they assemble just in time... because Kang the Conqueror is here from the future. And wait till you find out why!