Avengers #79 VF (8.0)
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+ (8.5)
Avengers, Scarlet Witch and Vision cover and story
Avengers #81 VF (8.0)
Avengers, Scarlet Witch and Vision cover and story
Avengers #81 VF/NM (9.0)
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
Avengers #83 VG/F (5.0)
1st appearance of the Liberators, all girl team featuring the Valkyrie, Scarlet Witch, Medusa, and Black Widow! Avengers cover and story
Avengers #83 CGC 7.0
Valkyrie, Black Widow, Medusa, and the Wasp against the Avengers, Enchantress appears, very likely upgrade candidate, maybe 8.0/8.5
Avengers #83 F+ (6.5)
Valkyrie, Black Widow, Medusa, and the Wasp against the Avengers, Enchantress appears
Avengers #83 VF+ (8.5)
1st appearance of the Valkyrie, Valkyrie, Black Widow, Enchantress Medusa, Scarlet Witch, Wasp vs. the male Avengers
Avengers #83 F+ (6.5)
1st appearance of the Liberators, all girl team featuring the Valkyrie, Scarlet Witch, Medusa, and Black Widow! Avengers cover and story
Avengers #83 VF/NM (9.0)
1st appearance of the Liberators, all girl team featuring the Valkyrie, Scarlet Witch, Medusa, and Black Widow! Avengers cover and story
Avengers #84 VF- (7.5)
Avengers vs. Arkon and Enchantress cover and story!
Avengers #84 VF/NM (9.0)
Avengers cover and story, Arkon and Enchantress appear
Avengers #85 VF (8.0)
1st appearance of the Squadron Supreme! Avengers vs. Squadron Supreme cover and story
Avengers #85 VF/NM (9.0)
1st appearance of the Squadron Supreme! Avengers vs. Squadron Supreme cover and story, blazing colors
Avengers #87 VF- (7.5)
Detailed origin of Black Panther! Avengers & Black Panther cover and story
Avengers #87 CGC 9.2
Detailed origin of Black Panther! Avengers & Black Panther cover and story, this cover featured in the Black Panther movie credits.
Avengers #88 VF (8.0)
The Hulk & the Falcon cover and story! Avengers vs. Cyclops cover and story, written by Harlan Ellison
Avengers #88 CGC 8.5
The Hulk cover and story! Avengers cover and story, white pages