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

Fantastic Four  97 strict NM 1st appearance The Monster
Fantastic Four 97 strict NM 1st appearance The Monster
$95.00
Time Remaining: 49m
Buy It Now for only: $95.00
Justice 1 CGC 94 1st DC Origin  Appearance of The Avenger
Justice 1 CGC 94 1st DC Origin Appearance of The Avenger
$49.95
Time Remaining: 1h 18m
Buy It Now for only: $49.95
Stalker 1 CGC 96 Origin  1st Appearance of Stalker
Stalker 1 CGC 96 Origin 1st Appearance of Stalker
$49.95
Time Remaining: 1h 18m
Buy It Now for only: $49.95
Avengers  195 VF Marvel 1st Cameo appearance of Taskmaster
Avengers 195 VF Marvel 1st Cameo appearance of Taskmaster
$54.99
Time Remaining: 1h 20m
Buy It Now for only: $54.99
Avengers  181 VF Marvel 1st Appearance of Scott Lang Ant Man
Avengers 181 VF Marvel 1st Appearance of Scott Lang Ant Man
$89.99
Time Remaining: 1h 23m
Buy It Now for only: $89.99
Green Lantern  115 strict NM 1st appearance The Crumbler part II
Green Lantern 115 strict NM 1st appearance The Crumbler part II
$14.00
Time Remaining: 1h 50m
Buy It Now for only: $14.00
Action Comics 279 strict VF NM 1st appearance Lesla Lar Supergirls enemy
Action Comics 279 strict VF NM 1st appearance Lesla Lar Supergirls enemy
$234.00
Time Remaining: 1h 59m
Buy It Now for only: $234.00
Amazing Spider man 134 FN VF 70 2nd Appearance Punisher 1st App Tarantula
Amazing Spider man 134 FN VF 70 2nd Appearance Punisher 1st App Tarantula
$49.95
Time Remaining: 2h 8m
Buy It Now for only: $49.95
Detective Comics 441 PGX 85 Batman Robin 1974 1st Appearance Harvey Bollock
Detective Comics 441 PGX 85 Batman Robin 1974 1st Appearance Harvey Bollock
$74.99
Time Remaining: 2h 12m
Buy It Now for only: $74.99
Amazing Spider Man 129 CGC Grade 70 1st Appearance of The Punisher
Amazing Spider Man 129 CGC Grade 70 1st Appearance of The Punisher
$811.00 (17 Bids)
Time Remaining: 2h 18m
Conan the Barbarian  23 strict NM 1st appearance Red Sonja
Conan the Barbarian 23 strict NM 1st appearance Red Sonja
$175.00
Time Remaining: 2h 29m
Buy It Now for only: $175.00
Batman Brave and the Bold 200 PGX 96 KATANA 1st Appearance
Batman Brave and the Bold 200 PGX 96 KATANA 1st Appearance
$69.99
Time Remaining: 2h 35m
Buy It Now for only: $69.99
The New Teen Titans 28 FINE 1st App Terra Key APPEARANCE 92
The New Teen Titans 28 FINE 1st App Terra Key APPEARANCE 92
$0.97 (1 Bid)
Time Remaining: 2h 43m
Batman 475 comic book 1992 DC 1st appearance of RENEE MONTOYA
Batman 475 comic book 1992 DC 1st appearance of RENEE MONTOYA
$31.20
Time Remaining: 2h 44m
Buy It Now for only: $31.20
Excalibur 86 comic book 1st full appearance Pete Wisdom 1995
Excalibur 86 comic book 1st full appearance Pete Wisdom 1995
$36.40
Time Remaining: 2h 44m
Buy It Now for only: $36.40
SHADE THE CHANGING MAN 1 DC COMICS 1977 STEVE DITKO BRONZE 1st APPEARANCE NM
SHADE THE CHANGING MAN 1 DC COMICS 1977 STEVE DITKO BRONZE 1st APPEARANCE NM
$19.80
Time Remaining: 2h 53m
Buy It Now for only: $19.80
Daredevil 132 1st Print Apr 1976 Marvel 2nd Appearance Bullseye Stamp Intact
Daredevil 132 1st Print Apr 1976 Marvel 2nd Appearance Bullseye Stamp Intact
$19.99
Time Remaining: 3h 4m
Buy It Now for only: $19.99
Doctor Strange 44 1st App Cytorak Juggernaut appearance Donnie Cates tie in
Doctor Strange 44 1st App Cytorak Juggernaut appearance Donnie Cates tie in
$9.99
Time Remaining: 3h 16m
Buy It Now for only: $9.99
Omac One Man Army 1  2 First 1st Appearance Of Omac VG Very Good 40
Omac One Man Army 1 2 First 1st Appearance Of Omac VG Very Good 40
$7.99
Time Remaining: 3h 34m
Buy It Now for only: $7.99
Obnoxio The Clown 1 NM Near Mint First 1st Appearance Of Obnoxio The Clown
Obnoxio The Clown 1 NM Near Mint First 1st Appearance Of Obnoxio The Clown
$9.99
Time Remaining: 3h 34m
Buy It Now for only: $9.99
1976 Superboy 213 F VF First Print 1st Appearance + Origin Charmas
1976 Superboy 213 F VF First Print 1st Appearance + Origin Charmas
$9.99
Time Remaining: 3h 43m
Buy It Now for only: $9.99
B39 1983 Journey 1 NM 1st Appearance Wolverine MacAlistaire Aardvark Vanaheim
B39 1983 Journey 1 NM 1st Appearance Wolverine MacAlistaire Aardvark Vanaheim
$18.99
Time Remaining: 3h 43m
Buy It Now for only: $18.99
MONSTERS UNLEASHED 4 Comic Magazine 1st Appearance SATANA Curtis 1974 Horror FN
MONSTERS UNLEASHED 4 Comic Magazine 1st Appearance SATANA Curtis 1974 Horror FN
$29.99
Time Remaining: 3h 52m
Buy It Now for only: $29.99
MARVEL PREVIEW 7 Presents SATANA Coimc Magazine 1st Appearance ROCKET RACCOON
MARVEL PREVIEW 7 Presents SATANA Coimc Magazine 1st Appearance ROCKET RACCOON
$299.99
Time Remaining: 3h 52m
Buy It Now for only: $299.99
Supermans Pal Jimmy Olsen 133 1970 1st Appearance Morgan Edge 1st Kirby
Supermans Pal Jimmy Olsen 133 1970 1st Appearance Morgan Edge 1st Kirby
$29.99
Time Remaining: 4h 9m
Buy It Now for only: $29.99
The Incredible Hulk 166 1st Appearance Zzzax
The Incredible Hulk 166 1st Appearance Zzzax
$12.99
Time Remaining: 4h 13m
Doorway to Nightmare 1 1st appearance of Madame Xanadu TV appearance coming
Doorway to Nightmare 1 1st appearance of Madame Xanadu TV appearance coming
$9.99
Time Remaining: 4h 15m
Buy It Now for only: $12.99
1st Solo CATWOMAN The Lazarus Affair BATMAN 332 Talia Appearance DC Comic
1st Solo CATWOMAN The Lazarus Affair BATMAN 332 Talia Appearance DC Comic
$17.50
Time Remaining: 4h 18m
Buy It Now for only: $17.50
INCREDIBLE HULK 163 Marvel Comics 1973 1st appearance of the GREMLIN FN VF
INCREDIBLE HULK 163 Marvel Comics 1973 1st appearance of the GREMLIN FN VF
$12.99
Time Remaining: 4h 46m
Buy It Now for only: $12.99
Marvel Team Up 95 VF 80 1st Appearance Mockingbird Spider Man
Marvel Team Up 95 VF 80 1st Appearance Mockingbird Spider Man
$31.00
Time Remaining: 5h 11m
Buy It Now for only: $31.00
Amazing Spider Man 172 1977 1st Appearance Rocket Racer Marvel A3
Amazing Spider Man 172 1977 1st Appearance Rocket Racer Marvel A3
$5.99
Time Remaining: 5h 22m
Buy It Now for only: $5.99
Spider Man 49 1994 1ST APPEARANCE COLDHEART EXTREME HIGH GRADE GEM
Spider Man 49 1994 1ST APPEARANCE COLDHEART EXTREME HIGH GRADE GEM
$9.99
Time Remaining: 6h 5m
Buy It Now for only: $9.99
Marvel Comic Book Uncanny X Men Issue 120 1979 1st Appearance of Alpha Flight
Marvel Comic Book Uncanny X Men Issue 120 1979 1st Appearance of Alpha Flight
$60.00
Time Remaining: 6h 28m
Buy It Now for only: $60.00
Spider Woman 37 April 1981 1st appearance Siryn of X Force Nick Fury
Spider Woman 37 April 1981 1st appearance Siryn of X Force Nick Fury
$25.00
Time Remaining: 6h 30m
Buy It Now for only: $25.00
Man Thing 3 Marvel Mar 1974 Gerber Mayerik 1st Appearance of Foolkiller
Man Thing 3 Marvel Mar 1974 Gerber Mayerik 1st Appearance of Foolkiller
$38.95
Time Remaining: 6h 46m
Buy It Now for only: $38.95
1st Issue Special 5 August 1975 CGC 70 1st appearance Manhunter
1st Issue Special 5 August 1975 CGC 70 1st appearance Manhunter
$58.00
Time Remaining: 7h 7m
Buy It Now for only: $58.00
1st Issue Special 8 November 1975 CGC 80 Origin 1st appearance of Warlord
1st Issue Special 8 November 1975 CGC 80 Origin 1st appearance of Warlord
$62.00
Time Remaining: 7h 8m
Buy It Now for only: $62.00
DC comics Firestorm 1 CGC 92 White Pages 1978 1st appearance  origin white pig
DC comics Firestorm 1 CGC 92 White Pages 1978 1st appearance origin white pig
$49.99
Time Remaining: 7h 38m
Buy It Now for only: $75.00
1979 MARVEL X MEN 126 IN NM CONDITION 1st APPEARANCE PROTEUS
1979 MARVEL X MEN 126 IN NM CONDITION 1st APPEARANCE PROTEUS
$49.95
Time Remaining: 7h 53m
Buy It Now for only: $49.95
Super Villain Team Up 5 April 1976 1st appearance The Shroud
Super Villain Team Up 5 April 1976 1st appearance The Shroud
$30.00
Time Remaining: 7h 59m
Buy It Now for only: $30.00