Roy thomas/john buscema. THE SCOOP: The ESSENTIAL army marches onward with a second volume reprinting the earliest adventures of Earth's Mightiest Heroes! THE STORIES: Captain America, the Wasp, Hawkeye, Hercules, Iron Man and Thor assemble to face a tidal wave of villains including Magneto, the Grim Reaper, the Collector, the Masters of Evil, the Scarlet Centurian, the Circus of Crime and Ultron! Reprinting AVENGERS #47 - #68-plus AVENGERS ANNUAL #2-this collection also continues the 1st appearance of Yellowjacket, the transformation of Hawkeye into Goliath, the 1st appearance of Black Panther as an Avenger, and the wedding of Janet van Dyne and Hank Pym! Plus: the 1st appearance of the Vision! THE FORMAT: 528 pages of bold, black-and-white action in the Mighty Marvel Manner! Choosy mothers choose ESSENTIALS!