Written by STAN LEE Penciled by JACK KIRBY & DON HECK Cover by JACK KIRBY There came a day, unlike any other, when Earth's Mightiest Heroes found themselves united against a common threat. On that day, the Avengers were born - to fight the foes no single hero could withstand. Featuring the formation of the Avengers, the revival of Captain America, and enemies such as the Sub-Mariner and Kang the Conqueror! Collecting AVENGERS #1-24. 560 PGS.