Avengers #64 VF (8.0)
1st appearance of Clint Barton's brother who later becomes the villain Trick Shot, Avengers cover and story
Avengers #69 VF (8.0)
1st appearance of the Grandmaster, Squadron Supreme, and Growing Man, Kang appears, Avengers vs. Kang and the Growing man cover and story
Avengers #70 CGC 9.2
1st appearance of the Squadron Sinister! Avengers vs. the Squadron Sinister cover and story by Roy Thomas and Sal Buscema
Avengers #71 VF/NM (9.0)
1st appearance of the Invaders! Avengers vs. the Invaders cover and story, white pages
Avengers #71 CGC 8.5
1st appearance of the Invaders! Avengers vs. the Invaders cover and story, white pages
Avengers #72 F+ (6.5)
Avengers vs. Scorpio cover and story, 1st appearance of Zodiac
Avengers #72 F+ (6.5)
Avengers vs. Scorpio cover and story, 1st appearance of Zodiac
Avengers #72 VF- (7.5)
Avengers vs. Scorpio cover and story, 1st appearance of Zodiac
Avengers #73 VF- (7.5)
Black Panther fights alone vs. the Sons of the Serpent, Avengers cover and story
Avengers #74 VF- (7.5)
Avengers cover and story, Black Panther cover and appearance!
Avengers #78 CGC 9.4
1st appearance of the Lethal Legion! Avengers cover and story
Avengers #79 VF (8.0)
Avengers vs the Lethal Legion cover and story, Man-Ape and Grim Reaper appear
Avengers #79 F/VF (7.0)
Avengers vs the Lethal Legion cover and story, Man-Ape and Grim Reaper appear
Avengers #80 VF- (7.5)
1st appearance of Red Wolf, Avengers cover and story, Neal Adams cover
Avengers #80 CGC 9.4
1st appearance of Red Wolf, Avengers cover and story
Avengers #81 VF (8.0)
Avengers, Scarlet Witch and Vision cover and story
Avengers #81 CGC 9.4
Avengers, Scarlet Witch and Vision cover and story by Roy Thomas and John Buscema