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

Captain America 267 Marvel 1982 1st appearance Everyman VF NM 90 NEWSSTAND
Captain America 267 Marvel 1982 1st appearance Everyman VF NM 90 NEWSSTAND
$3.72
Time Remaining: 35m
Marvel Graphic Novel 4 2nd print Mid Grade New Mutants 1st Appearance
Marvel Graphic Novel 4 2nd print Mid Grade New Mutants 1st Appearance
$44.99
Time Remaining: 42m
Buy It Now for only: $44.99
Vintage Marvel Comics Incredible Hulk1st Series 144 Dr Doom Cover Appearance
Vintage Marvel Comics Incredible Hulk1st Series 144 Dr Doom Cover Appearance
$15.99
Time Remaining: 47m
Buy It Now for only: $15.99
DC Comic Batman 363 CGC 92 1st Full Appearance Of Nocturna
DC Comic Batman 363 CGC 92 1st Full Appearance Of Nocturna
$56.95
Time Remaining: 51m
Buy It Now for only: $56.95
Vintage Marvel Incredible Hulk1st Series 155 Shaper Of Worlds 1st Appearance
Vintage Marvel Incredible Hulk1st Series 155 Shaper Of Worlds 1st Appearance
$17.99
Time Remaining: 54m
Buy It Now for only: $17.99
Marvel Premiere 35 1977 1st Appearance of 3D Man FN VF 70
Marvel Premiere 35 1977 1st Appearance of 3D Man FN VF 70
$6.00
Time Remaining: 58m
Buy It Now for only: $6.00
Marvel Premiere 15 gorgeous copy 1st KEY Iron Fist appearance 1974 Kane art
Marvel Premiere 15 gorgeous copy 1st KEY Iron Fist appearance 1974 Kane art
$115.49 (31 Bids)
Time Remaining: 1h 1m
DC Comic Batman 363 CGC 90 1st Full Appearance Of Nocturna
DC Comic Batman 363 CGC 90 1st Full Appearance Of Nocturna
$41.12
Time Remaining: 1h 4m
Buy It Now for only: $41.12
Captain Marvel 50 1977  CBCS 96 NM+  1st Appearance of Dr Minerva Rare
Captain Marvel 50 1977 CBCS 96 NM+ 1st Appearance of Dr Minerva Rare
$115.00
Time Remaining: 1h 4m
Buy It Now for only: $115.00
DC Comics Presents 27 and 28 First Raw 1st Appearance Mongul Supergirl 1980
DC Comics Presents 27 and 28 First Raw 1st Appearance Mongul Supergirl 1980
$15.50 (7 Bids)
Time Remaining: 1h 6m
Fantastic Four 248 Nov 1982 MarvelKEY  1ST APPEARANCE OF DR DOOMS SON
Fantastic Four 248 Nov 1982 MarvelKEY 1ST APPEARANCE OF DR DOOMS SON
$5.00
Time Remaining: 1h 8m
Buy It Now for only: $5.00
The Enforcers 3 1979 Graphics 2000 1st appearance The Galactics
The Enforcers 3 1979 Graphics 2000 1st appearance The Galactics
$5.00
Time Remaining: 1h 9m
SILVER STAR 1 1983 1ST APPEARANCE  NM  JACK KIRBY KEY  HIGH GRADE BEAUTY
SILVER STAR 1 1983 1ST APPEARANCE NM JACK KIRBY KEY HIGH GRADE BEAUTY
$0.99 (1 Bid)
Time Remaining: 1h 18m
WONDER WOMAN 7 CGC 98 NM M GEORGE PEREZ ART 1ST APPEARANCE CHEETAH 1987 1984
WONDER WOMAN 7 CGC 98 NM M GEORGE PEREZ ART 1ST APPEARANCE CHEETAH 1987 1984
$175.00
Time Remaining: 1h 23m
Buy It Now for only: $175.00
SHADE THE CHANGING MAN 1 VG FN 50  1st appearance of Shade
SHADE THE CHANGING MAN 1 VG FN 50 1st appearance of Shade
$17.99
Time Remaining: 1h 24m
Buy It Now for only: $17.99
Marvel Preview  4 CGC 85 OW W Marvel 1976 1st appearance of Starlord
Marvel Preview 4 CGC 85 OW W Marvel 1976 1st appearance of Starlord
$395.00
Time Remaining: 1h 25m
Buy It Now for only: $395.00
The Amazing Spider Man 239 2nd App Hobgoblin  1st Battle  Key Appearance
The Amazing Spider Man 239 2nd App Hobgoblin 1st Battle Key Appearance
$10.51 (9 Bids)
Time Remaining: 1h 26m
1979 Marvel The Astonishing Ant Man 47 comic book 1st appearance Ant Man
1979 Marvel The Astonishing Ant Man 47 comic book 1st appearance Ant Man
$39.99
Time Remaining: 1h 27m
Buy It Now for only: $69.99
Marvel Premiere  15 CGC 90 OW W Marvel 1974 1st appearance Iron Fist
Marvel Premiere 15 CGC 90 OW W Marvel 1974 1st appearance Iron Fist
$650.00
Time Remaining: 1h 30m
Buy It Now for only: $650.00
CGC The Amazing spider man 162 CGC 94 1st appearance of Jigsaw
CGC The Amazing spider man 162 CGC 94 1st appearance of Jigsaw
$71.00 (3 Bids)
Time Remaining: 1h 33m
THE LEGION OF SUPER HEROES 298 1983 1ST APP AMETYST  KEY APPEARANCE  VF
THE LEGION OF SUPER HEROES 298 1983 1ST APP AMETYST KEY APPEARANCE VF
$1.04 (2 Bids)
Time Remaining: 1h 34m
Amazing Spider Man 124 Marvel 1973 1st Appearance of Man Wolf Stan Lee Hot Key
Amazing Spider Man 124 Marvel 1973 1st Appearance of Man Wolf Stan Lee Hot Key
$85.00
Time Remaining: 1h 40m
Buy It Now for only: $85.00
GI JOE A REAL AMERICAN HERO 2 NM 92  1st appearance of Kwinn
GI JOE A REAL AMERICAN HERO 2 NM 92 1st appearance of Kwinn
$57.99
Time Remaining: 1h 42m
Buy It Now for only: $57.99
Avengers 181 CGC 98 1st Appearance of Scott Lang Becomes Ant Man Marvel1979
Avengers 181 CGC 98 1st Appearance of Scott Lang Becomes Ant Man Marvel1979
$374.99
Time Remaining: 1h 45m
Buy It Now for only: $374.99
Avengers 144 Claws 40 VG 1st Appearance Of Hellcat  1 Book Lot
Avengers 144 Claws 40 VG 1st Appearance Of Hellcat 1 Book Lot
$25.00
Time Remaining: 1h 45m
Buy It Now for only: $25.00
NEW MUTANTS 18 NM 92  1st appearance of Demon Bear
NEW MUTANTS 18 NM 92 1st appearance of Demon Bear
$17.99
Time Remaining: 1h 46m
Buy It Now for only: $17.99
MARVEL COMICS AVENGERS 54 1968 1ST APPEARANCE ULTRON CAMEO
MARVEL COMICS AVENGERS 54 1968 1ST APPEARANCE ULTRON CAMEO
$15.00
Time Remaining: 1h 55m
TALES OF THE TEEN TITANS 44 NEWSTAND 75 1ST APPEARANCE NIGHTWING
TALES OF THE TEEN TITANS 44 NEWSTAND 75 1ST APPEARANCE NIGHTWING
$79.97
Time Remaining: 1h 59m
Buy It Now for only: $79.97
Uncanny X Men 132 FN VF Newsstand 1st Appearance SageWolverineHellfire Club
Uncanny X Men 132 FN VF Newsstand 1st Appearance SageWolverineHellfire Club
$6.01 (8 Bids)
Time Remaining: 2h 1m
Amazing Spider man 238 Signed Stan Lee Tattooz 1st Appearance Hobgoblin NM 96
Amazing Spider man 238 Signed Stan Lee Tattooz 1st Appearance Hobgoblin NM 96
$603.00 (50 Bids)
Time Remaining: 2h 1m
Shazam 1 CGC 98 WP Captain Marvel 1st Appearance Since Golden Age 1973 DC
Shazam 1 CGC 98 WP Captain Marvel 1st Appearance Since Golden Age 1973 DC
$1,499.00
Time Remaining: 2h 1m
Buy It Now for only: $1,499.00
AMAZING SPIDER MAN 209 CGC 94 Origin  1st Appearance of Calypso Kraven 1980
AMAZING SPIDER MAN 209 CGC 94 Origin 1st Appearance of Calypso Kraven 1980
$45.99
Time Remaining: 2h 1m
Buy It Now for only: $45.99
Supermans Pal Jimmy Olsen 134 CGC 90 1st Appearance Darkseid Kirby Adams
Supermans Pal Jimmy Olsen 134 CGC 90 1st Appearance Darkseid Kirby Adams
$480.00 (10 Bids)
Time Remaining: 2h 1m
Invaders 1 CGC 96 Bronze Age Key 1st Appearance Invaders LK
Invaders 1 CGC 96 Bronze Age Key 1st Appearance Invaders LK
$339.95
Time Remaining: 2h 2m
Buy It Now for only: $339.95
Moon Knight 1 CGC 924 11 80 Origin Begins 1st Appearance of Raoul Bushman
Moon Knight 1 CGC 924 11 80 Origin Begins 1st Appearance of Raoul Bushman
$225.00
Time Remaining: 2h 10m
Buy It Now for only: $225.00
DC COMICS OMAC 1 1974 CGC 96 OW WP 1st APPEARANCE ORIGIN JACK KIRBY STORY ART
DC COMICS OMAC 1 1974 CGC 96 OW WP 1st APPEARANCE ORIGIN JACK KIRBY STORY ART
$115.00
Time Remaining: 2h 10m
Buy It Now for only: $115.00
MIGHTY THOR 184 1st Appearance of The Silent One Marvel Comics 1971 FN
MIGHTY THOR 184 1st Appearance of The Silent One Marvel Comics 1971 FN
$16.00
Time Remaining: 2h 13m
Buy It Now for only: $16.00
INCREDIBLE HULK 164 1st Appearance of Captain Omen Marvel 1973 VG FN
INCREDIBLE HULK 164 1st Appearance of Captain Omen Marvel 1973 VG FN
$5.00
Time Remaining: 2h 13m
Buy It Now for only: $5.00
BLACK PANTHER 9 1st Appearance of Black Musketeers Marvel 1978 FN VF
BLACK PANTHER 9 1st Appearance of Black Musketeers Marvel 1978 FN VF
$8.00
Time Remaining: 2h 13m
Buy It Now for only: $8.00
Marvel Feature  1 CGC 80 White Marvel 1972 1st appearance Him as Warlock
Marvel Feature 1 CGC 80 White Marvel 1972 1st appearance Him as Warlock
$375.00
Time Remaining: 2h 13m
Buy It Now for only: $375.00