Kirby got a chance to draw the old Avengers in this issue reprinting #37 from shortly after he originally stopped doing the covers. Nice cover, especially with the trademark Kirby crackling energy.
Dan Adkins inked the cover, one of a handful he did during that era.
Published 1976
I could swear that Cap pose is a swipe from TOS 84 with the Super-Adaptoid, except reversed.