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

SHE HULK 1 CGC 98 ORIGIN  1st APPEARANCE 1980 Avengers Movie Stan Lee Story
SHE HULK 1 CGC 98 ORIGIN 1st APPEARANCE 1980 Avengers Movie Stan Lee Story
$299.99
Time Remaining: 30m
Buy It Now for only: $299.99
Incredible Hulk 271 VF Milgrom Buscema 1st Full Appearance Rocket Raccoon
Incredible Hulk 271 VF Milgrom Buscema 1st Full Appearance Rocket Raccoon
$92.00 (15 Bids)
Time Remaining: 55m
CGC 75 Uncanny X Men 148 1st appearance Caliban Marvel Comics 8 81
CGC 75 Uncanny X Men 148 1st appearance Caliban Marvel Comics 8 81
$46.00
Time Remaining: 55m
Buy It Now for only: $60.00
MARVEL CHILLERS 1 Marvel Comics 1975 1st appearance MODRED THE MYSTIC FN VF
MARVEL CHILLERS 1 Marvel Comics 1975 1st appearance MODRED THE MYSTIC FN VF
$7.50
Time Remaining: 57m
Buy It Now for only: $7.50
Fantastic Four 4  249 Marvel Comics 1st Appearance Henkor Gladiator Skrulls
Fantastic Four 4 249 Marvel Comics 1st Appearance Henkor Gladiator Skrulls
$0.99
Time Remaining: 1h 5m
Daredevil 232 CGC 96 1st Appearance of Nuke White Pages Frank Miller
Daredevil 232 CGC 96 1st Appearance of Nuke White Pages Frank Miller
$89.99
Time Remaining: 1h 6m
DC 1977 SHOWCASE PRESENTS 94 95  96 1ST APPEARANCE THE NEW DOOM PATROL VF+
DC 1977 SHOWCASE PRESENTS 94 95 96 1ST APPEARANCE THE NEW DOOM PATROL VF+
$11.00 (1 Bid)
Time Remaining: 1h 19m
Spider Woman 37  38 4 81 X men Nick Fury 1st appearance Siryn of X Force
Spider Woman 37 38 4 81 X men Nick Fury 1st appearance Siryn of X Force
$4.95
Time Remaining: 1h 27m
Buy It Now for only: $4.95
GIANT SIZE CONAN 1 CGC 98 White Pages 1st Appearance Belit
GIANT SIZE CONAN 1 CGC 98 White Pages 1st Appearance Belit
$495.00
Time Remaining: 1h 40m
Buy It Now for only: $495.00
Star Wars 42 PGX CGC graded 90 from Dec 1980 1st Boba Fett appearance
Star Wars 42 PGX CGC graded 90 from Dec 1980 1st Boba Fett appearance
$59.00 (28 Bids)
Time Remaining: 1h 48m
Marvel Fantastic Four lot 96 97 105 Mid Grade 1st appearance The Monster
Marvel Fantastic Four lot 96 97 105 Mid Grade 1st appearance The Monster
$3.36 (3 Bids)
Time Remaining: 2h 2m
Submariner 34 1ST APPEARANCE DEFENDERS TV SHOW
Submariner 34 1ST APPEARANCE DEFENDERS TV SHOW
$44.99
Time Remaining: 2h 3m
Buy It Now for only: $44.99
Superman 1939 1st Series 276 Origin  First Appearance Captain Thunder
Superman 1939 1st Series 276 Origin First Appearance Captain Thunder
$14.99
Time Remaining: 2h 3m
Buy It Now for only: $14.99
SKULL THE SLAYER 1 Origin  1st appearance
SKULL THE SLAYER 1 Origin 1st appearance
$9.50
Time Remaining: 2h 3m
Buy It Now for only: $9.50
DETECTIVE COMICS  523 FN+ 1983 DC 1ST KILLER CROC APPEARANCE
DETECTIVE COMICS 523 FN+ 1983 DC 1ST KILLER CROC APPEARANCE
$16.99
Time Remaining: 2h 5m
Buy It Now for only: $16.99
Astonishing Tales 29 VG Reprints 1st appearance of the guardians of the galaxy
Astonishing Tales 29 VG Reprints 1st appearance of the guardians of the galaxy
$14.95
Time Remaining: 2h 10m
Buy It Now for only: $14.95
Marvel WEREWOLF BY NIGHT 32 1st appearance of MOON KNIGHT bronze age
Marvel WEREWOLF BY NIGHT 32 1st appearance of MOON KNIGHT bronze age
$190.50 (29 Bids)
Time Remaining: 2h 15m
X Factor 5 FN VF 1st Cameo of Appearance of Apocalypse SKU15328 25 Off
X Factor 5 FN VF 1st Cameo of Appearance of Apocalypse SKU15328 25 Off
$20.99
Time Remaining: 2h 18m
Buy It Now for only: $20.99
Dazzler 1 March 1981 1st appearance in own series w Amazing Spiderman
Dazzler 1 March 1981 1st appearance in own series w Amazing Spiderman
$0.99
Time Remaining: 2h 29m
WONDER WOMAN 228 FN  1st RED PANZER Appearance WWII Stories Begin DC 1977
WONDER WOMAN 228 FN 1st RED PANZER Appearance WWII Stories Begin DC 1977
$7.61
Time Remaining: 2h 32m
Buy It Now for only: $7.61
Uncanny X Men  283  1991  1st Full Bishop appearance NM
Uncanny X Men 283 1991 1st Full Bishop appearance NM
$5.75
Time Remaining: 2h 41m
Buy It Now for only: $5.75
Marvel Giant Size Creatures Werewolf by Night 1 1st Appearance Tigra ESTM 8 85
Marvel Giant Size Creatures Werewolf by Night 1 1st Appearance Tigra ESTM 8 85
$36.66
Time Remaining: 2h 45m
Buy It Now for only: $36.66
MICRONAUTS 1 1ST APPEARANCE  1ST ISSUE MICHAEL GOLDEN 1979 KEY VF NEWSSTAND
MICRONAUTS 1 1ST APPEARANCE 1ST ISSUE MICHAEL GOLDEN 1979 KEY VF NEWSSTAND
$0.99
Time Remaining: 2h 48m
AMAZING SPIDER MAN  212 VF 1ST APPEARANCE OF HYDRO MAN
AMAZING SPIDER MAN 212 VF 1ST APPEARANCE OF HYDRO MAN
$4.00 (6 Bids)
Time Remaining: 2h 55m
UNCANNY X MEN 148 1ST APPEARANCE OF CALIBAN LOGAN MOVIE
UNCANNY X MEN 148 1ST APPEARANCE OF CALIBAN LOGAN MOVIE
$2.49 (1 Bid)
Time Remaining: 3h 7m
2001 A Space Odyssey 8 1st First Appearance Of Machine Man Jack Kirby Art
2001 A Space Odyssey 8 1st First Appearance Of Machine Man Jack Kirby Art
$16.50 (5 Bids)
Time Remaining: 3h 8m
THOR 199 1ST APPEARANCE EGO PRIME JOHN BUSCEMA ART Bronze age
THOR 199 1ST APPEARANCE EGO PRIME JOHN BUSCEMA ART Bronze age
$10.00
Time Remaining: 3h 9m
BLUE BEETLE 1 1967 1ST APPEARANCE OF THE QUESTION STEVE DITKO Nice
BLUE BEETLE 1 1967 1ST APPEARANCE OF THE QUESTION STEVE DITKO Nice
$49.99
Time Remaining: 3h 10m
THOR 191 1st APPEARANCE DUROK THE DEMOLISHER JOHN BUSCEMA ART Bronze age
THOR 191 1st APPEARANCE DUROK THE DEMOLISHER JOHN BUSCEMA ART Bronze age
$4.00
Time Remaining: 3h 14m
Iron Fist  14 CGC 65 White Marvel 1977 1st appearance Sabretooth
Iron Fist 14 CGC 65 White Marvel 1977 1st appearance Sabretooth
$225.00
Time Remaining: 3h 15m
Buy It Now for only: $225.00
AMAZING SPIDER MAN 194 CGC 90 1ST APPEARANCE OF BLACK CAT
AMAZING SPIDER MAN 194 CGC 90 1ST APPEARANCE OF BLACK CAT
$199.50
Time Remaining: 3h 15m
Buy It Now for only: $199.50
THOR 337 1ST APPEARANCE OF BETA RAY BILL VF EPIC SIMONSON RUN BEGINS NEWSSTAND
THOR 337 1ST APPEARANCE OF BETA RAY BILL VF EPIC SIMONSON RUN BEGINS NEWSSTAND
$8.50 (10 Bids)
Time Remaining: 3h 16m
X MEN 104 CBCS VF NM 90 1ST APPEARANCE OF STARJAMMERS WOLVERINE 1977
X MEN 104 CBCS VF NM 90 1ST APPEARANCE OF STARJAMMERS WOLVERINE 1977
$95.00
Time Remaining: 3h 18m
Buy It Now for only: $95.00
ROM 1 VF NM 90 ORIGIN AND 1ST APPEARANCE 1979
ROM 1 VF NM 90 ORIGIN AND 1ST APPEARANCE 1979
$50.00
Time Remaining: 3h 23m
Buy It Now for only: $50.00
SUB MARINER 12 1st full Appearance NAGA Bronze age
SUB MARINER 12 1st full Appearance NAGA Bronze age
$5.00 (2 Bids)
Time Remaining: 3h 24m
The Defenders 27 Starhawk 1st Appearance COMIC BOOK Estate Sale Find
The Defenders 27 Starhawk 1st Appearance COMIC BOOK Estate Sale Find
$34.99
Time Remaining: 3h 26m
Buy It Now for only: $34.99
ROM 1 80 1ST APPEARANCE OF ROM KEY
ROM 1 80 1ST APPEARANCE OF ROM KEY
$29.97
Time Remaining: 3h 47m
Buy It Now for only: $29.97
All Star Western 10 PGX 85 1st Appearance Of Jonah Hex
All Star Western 10 PGX 85 1st Appearance Of Jonah Hex
$350.00
Time Remaining: 3h 55m
Buy It Now for only: $350.00
RIMA THE JUNGLE GIRL 1 VG FN Origin  1st Appearance DC 1973 Nestor Redondo
RIMA THE JUNGLE GIRL 1 VG FN Origin 1st Appearance DC 1973 Nestor Redondo
$10.41
Time Remaining: 3h 56m
Buy It Now for only: $10.41
Starslayer 1 Signed by Mike Grell CBCS 94 1st Appearance  Origin
Starslayer 1 Signed by Mike Grell CBCS 94 1st Appearance Origin
$49.99
Time Remaining: 4h 12m