Earth's Mightiest Heroes assemble under the titanic talents of Roy Thomas, John Buscema, Sal Buscema, Gene Colan and Barry Windsor-Smith! It's page after page of Avengers classics, beginning with the wedding of the Wasp and Yellowjacket! Then, Hawkeye transforms into Goliath, Ultron re-emerges, Kang and the Grandmaster introduce the Squadron Sinister, the Black Panther infiltrates the Sons of the Serpent, and Quicksilver and the Scarlet Witch return - and that's just the beginning! The barbarian Arkon invades, the Lady Liberators unite, the Squadron Supreme makes the scene, and the Black Panther's origin is revealed. This oversized Omnibus, collecting the stories that defined the Avengers and featuring every original letters page, is a must for every die-hard fan! Collecting: Avengers (1963) #59-88, Incredible Hulk (1968) #140, Marvel Super-Heroes (1967) #17 and material from Not Brand Echh #12