Every age of comics has special 1st appearances. The 70s and early 80s are no exception as you can see below.

STRANGE TALES 174 NICE COPY 1ST GOLEM APPEARANCE 1973
STRANGE TALES 174 NICE COPY 1ST GOLEM APPEARANCE 1973
$9.00
Time Remaining: 49m
Buy It Now for only: $9.00
The Amazing Spider Man 209 October 1980 1st appearance Calypso
The Amazing Spider Man 209 October 1980 1st appearance Calypso
$30.00
Time Remaining: 1h 14m
Buy It Now for only: $30.00
The Amazing Spider Man 212 January 1981 1st appearance and origin of Hydro Man
The Amazing Spider Man 212 January 1981 1st appearance and origin of Hydro Man
$30.00
Time Remaining: 1h 17m
Buy It Now for only: $30.00
UNCANNY X MEN 164 1ST APPEARANCE BINARY HIGH GRADE
UNCANNY X MEN 164 1ST APPEARANCE BINARY HIGH GRADE
$19.99
Time Remaining: 1h 37m
Buy It Now for only: $19.99
UNCANNY X MEN 168 1ST APPEARANCE MADELYN PRYOR HIGH GRADE
UNCANNY X MEN 168 1ST APPEARANCE MADELYN PRYOR HIGH GRADE
$17.99
Time Remaining: 1h 38m
Buy It Now for only: $17.99
UNCANNY X MEN 184 1ST APPEARANCE FORGE HIGH GRADE
UNCANNY X MEN 184 1ST APPEARANCE FORGE HIGH GRADE
$14.99
Time Remaining: 1h 39m
Buy It Now for only: $14.99
UNCANNY X MEN 244 1ST APPEARANCE JUBILEE HIGH GRADE
UNCANNY X MEN 244 1ST APPEARANCE JUBILEE HIGH GRADE
$22.99
Time Remaining: 1h 41m
Buy It Now for only: $22.99
MARVEL PREMIERE 35 CGC 94 1ST BRONZE AGE 1st APPEARANCE 3 D MAN KEY ISSUE
MARVEL PREMIERE 35 CGC 94 1ST BRONZE AGE 1st APPEARANCE 3 D MAN KEY ISSUE
$60.00
Time Remaining: 1h 43m
Buy It Now for only: $60.00
UNCANNY X MEN 141 142 Days of Future Past 1st Appearance Rachel Summers 1981
UNCANNY X MEN 141 142 Days of Future Past 1st Appearance Rachel Summers 1981
$299.95
Time Remaining: 2h 16m
Buy It Now for only: $299.95
High Grade Bronze Age DC Comic Teen Titans 44 1st Appearance Guardian
High Grade Bronze Age DC Comic Teen Titans 44 1st Appearance Guardian
$12.99
Time Remaining: 2h 41m
Buy It Now for only: $12.99
JUSTICE LEAGUE OF AMERICA 203 NM 1ST APPEARANCE NEW ROYAL FLUSH GANG
JUSTICE LEAGUE OF AMERICA 203 NM 1ST APPEARANCE NEW ROYAL FLUSH GANG
$7.15
Time Remaining: 2h 44m
Buy It Now for only: $7.15
AVENGERS 85 first appearance Squadron Supreme 1st Hyperion Vision 1971
AVENGERS 85 first appearance Squadron Supreme 1st Hyperion Vision 1971
$124.95
Time Remaining: 2h 44m
Buy It Now for only: $124.95
Marvel Team Up 35 V1 Jan 1978 1st Appearance of Captain Britian
Marvel Team Up 35 V1 Jan 1978 1st Appearance of Captain Britian
$30.00
Time Remaining: 2h 44m
Buy It Now for only: $30.00
AVENGERS ANNUAL 10 1st first appearance X Men Rogue Carol Danvers 1981
AVENGERS ANNUAL 10 1st first appearance X Men Rogue Carol Danvers 1981
$99.95
Time Remaining: 2h 46m
Buy It Now for only: $99.95
Strange Tales 169 CGC 94 1st appearance of BROTHER VOODOO
Strange Tales 169 CGC 94 1st appearance of BROTHER VOODOO
$600.00
Time Remaining: 2h 51m
Buy It Now for only: $600.00
UNCANNY X MEN 130 1st First appearance Dazzler Dark Phoenix Saga 1980
UNCANNY X MEN 130 1st First appearance Dazzler Dark Phoenix Saga 1980
$149.95
Time Remaining: 3h 8m
Buy It Now for only: $149.95
UNCANNY X MEN 134 1st First Appearance Dark Phoenix Saga 1980
UNCANNY X MEN 134 1st First Appearance Dark Phoenix Saga 1980
$149.95
Time Remaining: 3h 11m
Buy It Now for only: $149.95
UNCANNY X MEN 177 178 179 Mystique 1st appearance Leech Caliban Kitty Pryde
UNCANNY X MEN 177 178 179 Mystique 1st appearance Leech Caliban Kitty Pryde
$64.95
Time Remaining: 3h 15m
Buy It Now for only: $64.95
MARVEL PREMIERE 47 NM 1ST APPEARANCE SCOTT LANG AS ANT MAN
MARVEL PREMIERE 47 NM 1ST APPEARANCE SCOTT LANG AS ANT MAN
$129.89
Time Remaining: 3h 34m
Buy It Now for only: $129.89
Archies Girls Betty and Veronica  320 CGC 96 1st Appearance of Cheryl Blossom
Archies Girls Betty and Veronica 320 CGC 96 1st Appearance of Cheryl Blossom
$1,529.99
Time Remaining: 3h 38m
Buy It Now for only: $1,529.99
Eternals 1 1st Appearance High Grade 92 NM
Eternals 1 1st Appearance High Grade 92 NM
$34.00
Time Remaining: 4h 2m
Buy It Now for only: $34.00
DAREDEVIL 133 CBCS 96 WHITE PAGES 1ST APPEARANCE OF MIND WAVE
DAREDEVIL 133 CBCS 96 WHITE PAGES 1ST APPEARANCE OF MIND WAVE
$75.00
Time Remaining: 4h 14m
Buy It Now for only: $75.00
Fantastic Four 4  184 Marvel Comics 1977 1st Appearance The Eliminator Tigra
Fantastic Four 4 184 Marvel Comics 1977 1st Appearance The Eliminator Tigra
$5.22
Time Remaining: 4h 27m
Buy It Now for only: $5.22
Marvel Premiere 15 1974 1st Iron Fist Appearance High Grade CGC 96 BP607
Marvel Premiere 15 1974 1st Iron Fist Appearance High Grade CGC 96 BP607
$1,664.95
Time Remaining: 4h 27m
Buy It Now for only: $1,664.95
Fantastic Four 4  186 Marvel Comics 1977 1st Appearance The Salems Seven
Fantastic Four 4 186 Marvel Comics 1977 1st Appearance The Salems Seven
$5.76
Time Remaining: 4h 33m
Buy It Now for only: $5.76
Daredevil  168 CGC 90 VF NM Origin and 1st Appearance of Elektra Frank Miller
Daredevil 168 CGC 90 VF NM Origin and 1st Appearance of Elektra Frank Miller
$249.99
Time Remaining: 4h 38m
Buy It Now for only: $249.99
Doctor Strange  1 CGC 96 NM+ 1974 1st Appearance of the Silver Dagger
Doctor Strange 1 CGC 96 NM+ 1974 1st Appearance of the Silver Dagger
$424.99
Time Remaining: 4h 39m
Buy It Now for only: $424.99
X Men  104 CGC 94 NM 1977 1st Appearance Starjammers in Cameo Chris Claremont
X Men 104 CGC 94 NM 1977 1st Appearance Starjammers in Cameo Chris Claremont
$199.99
Time Remaining: 4h 39m
Buy It Now for only: $199.99
Giant Size Defenders 3 65 F+ 1st appearance Korvac
Giant Size Defenders 3 65 F+ 1st appearance Korvac
$9.50
Time Remaining: 4h 40m
Invaders 20 94 NM 1st appearance new Union Jack
Invaders 20 94 NM 1st appearance new Union Jack
$9.50
Time Remaining: 4h 44m
Fantastic Four 4  185 Marvel Comics 1977 1st Appearance Nicholas Scratch
Fantastic Four 4 185 Marvel Comics 1977 1st Appearance Nicholas Scratch
$6.03
Time Remaining: 4h 50m
Buy It Now for only: $6.03
Fantastic Four 4  195 Marvel Comics 1978 1st Appearance Rampaging Retrievers
Fantastic Four 4 195 Marvel Comics 1978 1st Appearance Rampaging Retrievers
$4.87
Time Remaining: 4h 57m
Buy It Now for only: $4.87
Fantastic Four 4  249 Marvel Comics 1st Appearance Henkor Gladiator Skrulls
Fantastic Four 4 249 Marvel Comics 1st Appearance Henkor Gladiator Skrulls
$5.76
Time Remaining: 4h 59m
Buy It Now for only: $5.76
1st Issue Special 8 1st appearance Origin of The Warlord by Mike Grell 1975
1st Issue Special 8 1st appearance Origin of The Warlord by Mike Grell 1975
$50.00
Time Remaining: 5h 32m
Buy It Now for only: $50.00
Marvel Premiere 57 58 59 60 VF Doctor Who 1980 1ST American Appearance
Marvel Premiere 57 58 59 60 VF Doctor Who 1980 1ST American Appearance
$22.99
Time Remaining: 5h 39m
Buy It Now for only: $22.99
New Teen Titans 2 CGC 98 1st Appearance Of Death stroke 1418559006 Batman
New Teen Titans 2 CGC 98 1st Appearance Of Death stroke 1418559006 Batman
$700.00
Time Remaining: 5h 41m
Buy It Now for only: $700.00
Batmans Detective Comics 469 1977 DC Batman 1st Appearance Dr Phosphorus
Batmans Detective Comics 469 1977 DC Batman 1st Appearance Dr Phosphorus
$14.99
Time Remaining: 6h 3m
Buy It Now for only: $14.99
Captain Marvel 5 1st appearance of Metazoid October 1969 Marvel Comics
Captain Marvel 5 1st appearance of Metazoid October 1969 Marvel Comics
$40.00
Time Remaining: 6h 16m
Buy It Now for only: $40.00
SHANNA THE SHE DEVIL 5 VF TO VF HIGH GRADE 1ST APPEARANCE NEKRA JOHN ROMITA
SHANNA THE SHE DEVIL 5 VF TO VF HIGH GRADE 1ST APPEARANCE NEKRA JOHN ROMITA
$12.00
Time Remaining: 6h 21m
Buy It Now for only: $12.00
Kamandi The Last Boy on Earth 1 November 1972 Origin 1st appearance Kamandi
Kamandi The Last Boy on Earth 1 November 1972 Origin 1st appearance Kamandi
$50.00
Time Remaining: 6h 21m
Buy It Now for only: $50.00