In the past, present and future of the Marvel-Verse, never has there been a conqueror quite like Kang! Get to know the time-traveling tyrant from the 31st century in these epic clashes with the heroes of today! When the self-proclaimed "Ultimate Kang" sets out to conquer his own alternate-reality counterparts, the Council of Kangs, the Avengers assemble to oppose him! But only one force can possibly halt his mad march: himself! Then, Kang returns to wreak chronal chaos, uniting the Avengers with 1950s heroes the Agents of Atlas in a complex plot to make himself master of the world! Plus: Squirrel Girl's unbeatable reputation is tested to its limits across three eras! Can Kang conquer the unconquerable? Collecting AVENGERS (1963) #267-269, GIANT-SIZE MARVEL ADVENTURES THE AVENGERS #1 and UNBEATABLE SQUIRREL GIRL (2015B) #42.