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

BATMAN 363 CGC 96 WHITE PAGES 1st FULL APPEARANCE OF NOCTURNA
BATMAN 363 CGC 96 WHITE PAGES 1st FULL APPEARANCE OF NOCTURNA
$80.00
Time Remaining: 40m
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The Uncanny X Men 130 1st First Appearance Dazzler and Dazzler 1
The Uncanny X Men 130 1st First Appearance Dazzler and Dazzler 1
$27.00 (8 Bids)
Time Remaining: 50m
Hi GRADE KEY 1971 Marvel THOR 191 DEMOLISHER 1st Appearance LOKI BELOW GUIDE
Hi GRADE KEY 1971 Marvel THOR 191 DEMOLISHER 1st Appearance LOKI BELOW GUIDE
$36.00
Time Remaining: 53m
Buy It Now for only: $36.00
KEY 1973 Marvel INCREDIBLE HULK 162 WENDIGO ORIGIN 1st Appearance BELOW GUIDE
KEY 1973 Marvel INCREDIBLE HULK 162 WENDIGO ORIGIN 1st Appearance BELOW GUIDE
$34.00
Time Remaining: 1h 1m
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Captain Britain 1 CGC 94 Origin  1st appearance of Captain Britain with mask
Captain Britain 1 CGC 94 Origin 1st appearance of Captain Britain with mask
$375.00
Time Remaining: 1h 1m
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The New Gods 2 CGC 94 1st cover appearance of DarkseidKEY ISSUELK
The New Gods 2 CGC 94 1st cover appearance of DarkseidKEY ISSUELK
$499.99
Time Remaining: 1h 5m
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Forever People 1 CGC 45 1st full appearance of DarkseidKEY ISSUELK
Forever People 1 CGC 45 1st full appearance of DarkseidKEY ISSUELK
$160.00
Time Remaining: 1h 23m
Buy It Now for only: $160.00
Forever People 1 CGC 50 1st full appearance of DarkseidKEY ISSUELK
Forever People 1 CGC 50 1st full appearance of DarkseidKEY ISSUELK
$200.00
Time Remaining: 1h 25m
Buy It Now for only: $200.00
Forever People 1 CGC 85 1st full appearance of DarkseidKEY ISSUELK
Forever People 1 CGC 85 1st full appearance of DarkseidKEY ISSUELK
$400.00
Time Remaining: 1h 27m
Buy It Now for only: $400.00
THE AMAZING SPIDER MAN 156 May 1976 Marvel 1ST APPEARANCE OF MIRAGE
THE AMAZING SPIDER MAN 156 May 1976 Marvel 1ST APPEARANCE OF MIRAGE
$14.99
Time Remaining: 1h 31m
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Supermans Pal Jimmy Olsen 134 CGC 90 OW W 1st Appearance Darkseid Kirby Adams
Supermans Pal Jimmy Olsen 134 CGC 90 OW W 1st Appearance Darkseid Kirby Adams
$989.95
Time Remaining: 1h 32m
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Hero for Hire 1 CGC 75 Origin  1st appearance of Luke CageKEY ISSUELK
Hero for Hire 1 CGC 75 Origin 1st appearance of Luke CageKEY ISSUELK
$420.00
Time Remaining: 1h 55m
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STAR WARS 42  NM 1ST APPEARANCE OF BOBA FETT MARVEL COMICS 1980
STAR WARS 42 NM 1ST APPEARANCE OF BOBA FETT MARVEL COMICS 1980
$105.00
Time Remaining: 2h 17m
Buy It Now for only: $105.00
ADVENTURE INTO FEAR 19  FN VF 1ST APPEARANCE OF HOWARD THE DUCK MARVEL 1973
ADVENTURE INTO FEAR 19 FN VF 1ST APPEARANCE OF HOWARD THE DUCK MARVEL 1973
$70.00
Time Remaining: 2h 17m
Buy It Now for only: $70.00
NOVA 1  FN 1ST APPEARANCE OF NOVA MARVEL COMICS 1976
NOVA 1 FN 1ST APPEARANCE OF NOVA MARVEL COMICS 1976
$35.00
Time Remaining: 2h 17m
Buy It Now for only: $35.00
FANTASY QUARTERLY 1  NM 1ST APPEARANCE OF ELFQUEST INDEPENDENT PUB 1978
FANTASY QUARTERLY 1 NM 1ST APPEARANCE OF ELFQUEST INDEPENDENT PUB 1978
$200.00
Time Remaining: 2h 17m
Buy It Now for only: $200.00
THE SAVAGE SHE HULK 1  NM 1ST APPEARANCE  ORIGIN OF SHE HULK MARVEL 1979
THE SAVAGE SHE HULK 1 NM 1ST APPEARANCE ORIGIN OF SHE HULK MARVEL 1979
$55.00
Time Remaining: 2h 17m
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DC 1ST ISSUE SPECIAL 8 80 FIRST APPEARANCE OF WARLORD
DC 1ST ISSUE SPECIAL 8 80 FIRST APPEARANCE OF WARLORD
$34.80
Time Remaining: 2h 19m
Buy It Now for only: $34.80
Marvel Comic Books Fantastic Four Issues 211 214 1979 1st Appearance Terrax
Marvel Comic Books Fantastic Four Issues 211 214 1979 1st Appearance Terrax
$25.00
Time Remaining: 2h 19m
Buy It Now for only: $25.00
The Amazing Spider Man 140 Marvel 1975 CGC 80 1st appearance of Glory Grant
The Amazing Spider Man 140 Marvel 1975 CGC 80 1st appearance of Glory Grant
$55.00
Time Remaining: 2h 54m
Buy It Now for only: $55.00
Star Wars 42 CBCS 94 NM Marvel 1980 1st Appearance Boba Fett Not CGC
Star Wars 42 CBCS 94 NM Marvel 1980 1st Appearance Boba Fett Not CGC
$159.99
Time Remaining: 2h 55m
Buy It Now for only: $159.99
2001 A Space Odyssey8 1st Appearance Machine Man KEY 85 VF+ Bronze Comic
2001 A Space Odyssey8 1st Appearance Machine Man KEY 85 VF+ Bronze Comic
$44.99
Time Remaining: 2h 55m
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X MEN 111 UNCANNY Grade 70 1st appearance of MESMERO
X MEN 111 UNCANNY Grade 70 1st appearance of MESMERO
$30.00
Time Remaining: 3h
Buy It Now for only: $30.00
THE INCREDIBLE HULK KING SIZE ANNUAL 6 1ST APPEARANCE PARAGON HER AYESHA GOTG
THE INCREDIBLE HULK KING SIZE ANNUAL 6 1ST APPEARANCE PARAGON HER AYESHA GOTG
$79.99
Time Remaining: 3h 1m
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Inhumans 11 FN VF 1ST APPEARANCE KORATH THE PURSUER bronze age tv show lot set
Inhumans 11 FN VF 1ST APPEARANCE KORATH THE PURSUER bronze age tv show lot set
$14.95
Time Remaining: 3h 2m
Buy It Now for only: $14.95
INVADERS 14 F 1st Appearance of The Crusaders Marvel Comics 1977
INVADERS 14 F 1st Appearance of The Crusaders Marvel Comics 1977
$4.80
Time Remaining: 3h 15m
Buy It Now for only: $4.80
Kamandi 5 NM 1973 Jack Kirby art 1st appearance of Flower
Kamandi 5 NM 1973 Jack Kirby art 1st appearance of Flower
$30.00
Time Remaining: 3h 18m
Kamandi 4 VF NM 1973 Jack Kirby art 1st appearance of Prince Tuftan
Kamandi 4 VF NM 1973 Jack Kirby art 1st appearance of Prince Tuftan
$22.00
Time Remaining: 3h 18m
Kamandi 1 VF NM 1972 Jack Kirby art 1st appearance of Kamandi
Kamandi 1 VF NM 1972 Jack Kirby art 1st appearance of Kamandi
$57.00
Time Remaining: 3h 18m
Werewolf By Night 32 CGC 65 WP UK EDITION Origin 1st Appearance of Moon Knight
Werewolf By Night 32 CGC 65 WP UK EDITION Origin 1st Appearance of Moon Knight
$599.99
Time Remaining: 3h 23m
Buy It Now for only: $599.99
NEW MUTANTS 26 27 1st 2nd Appearance David Haller LEGION FX 1985 Wolverine X Men
NEW MUTANTS 26 27 1st 2nd Appearance David Haller LEGION FX 1985 Wolverine X Men
$24.99
Time Remaining: 3h 25m
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Marvel Premiere 19 CGC 90 1st Appearance of Colleen Wing Iron Fist
Marvel Premiere 19 CGC 90 1st Appearance of Colleen Wing Iron Fist
$140.00
Time Remaining: 3h 41m
Buy It Now for only: $140.00
IRON MAN 55 CGC 70 1st Appearance of THANOS Signed Stan Lee Avengers Infinity
IRON MAN 55 CGC 70 1st Appearance of THANOS Signed Stan Lee Avengers Infinity
$1,000.00
Time Remaining: 3h 41m
Buy It Now for only: $1,000.00
AMAZING SPIDERMAN 101 1st APPEARANCE OF MORBIUS SERIES 1 MARVEL 1971
AMAZING SPIDERMAN 101 1st APPEARANCE OF MORBIUS SERIES 1 MARVEL 1971
$58.00 (17 Bids)
Time Remaining: 3h 44m
Kamandi Last Boy On Earth 1 DC 1st Print 1st Kmandi Appearance by Jack Kirby
Kamandi Last Boy On Earth 1 DC 1st Print 1st Kmandi Appearance by Jack Kirby
$35.99
Time Remaining: 3h 48m
Buy It Now for only: $35.99
SAVAGE SHE HULK 1 1ST APPEARANCE AND ORIGIN
SAVAGE SHE HULK 1 1ST APPEARANCE AND ORIGIN
$76.99
Time Remaining: 4h 11m
Buy It Now for only: $76.99
The Defenders 1 1st Print Origin of The Defenders 1st Appearance Necrodamus
The Defenders 1 1st Print Origin of The Defenders 1st Appearance Necrodamus
$22.50 (3 Bids)
Time Remaining: 4h 18m
Devil Dinosaur 1 VF VF+ 1st Appearance Devil Dinosaur  Moon Boy Jack Kirby Art
Devil Dinosaur 1 VF VF+ 1st Appearance Devil Dinosaur Moon Boy Jack Kirby Art
$14.95
Time Remaining: 4h 23m
FANTASTIC FOUR 164 CGC 96 1ST APPEARANCE CRUSADER MARVEL BOY BRONZE COMIC
FANTASTIC FOUR 164 CGC 96 1ST APPEARANCE CRUSADER MARVEL BOY BRONZE COMIC
$170.99
Time Remaining: 4h 34m
Buy It Now for only: $170.99
STRANGE TALES 174 NICE COPY 1ST GOLEM APPEARANCE 1973
STRANGE TALES 174 NICE COPY 1ST GOLEM APPEARANCE 1973
$9.00
Time Remaining: 4h 41m
Buy It Now for only: $9.00