Captain America (1968) #268
"Peace on Earth, Good Will to Man"
cover: "With the Defenders Beside Him!"
Steve Rogers receives a telepathic summons from the vicinity of the Colorado Rockies. After receiving help from S.H.I.E.L.D., Cap goes undercover to break into a secret mountain complex. Once inside Cap discovers the sinister plot of August Masters...and also discovers the captive Defenders.
Creators: J.M. DeMatteis, Mike Zeck, John Beatty, Bob Sharen