Avengers Vol.1 #27
Hawkeye remembers how to work the message machine but is attacked by the Beetle before he gets a chance; He defeats the Beetle, reads the message and, sets off to help; Hawkeye finds a beaten Quicksilver and together they help defeat Attuma; Captain America sabotages Attuma's controls, and the base collides with his wave machine, destroying it; They return to find the Beetle missing and an important message on the computer involving the Wasp.
First Printing: Mar 1966
Writers: Stan Lee
Art: Don Heck, and Frank Giacoia [as Frankie Ray]
Cover: Jack Kirby and Don Heck