Essential Avengers, Vol. 1

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! Collects Avengers #1-24.