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

DEFENDERS 143 1st appearance of the RUNNER and TIME INFINITY STONE
DEFENDERS 143 1st appearance of the RUNNER and TIME INFINITY STONE
$27.99
Time Remaining: 33m
HOWARD THE DUCK 12 May 1977 1st Appearance KISS Cameo VF Or Better
HOWARD THE DUCK 12 May 1977 1st Appearance KISS Cameo VF Or Better
$17.99
Time Remaining: 38m
Buy It Now for only: $17.99
Teen Titans 48 1st Appearance Jokers Daughter Harlequin 1977 High Grade
Teen Titans 48 1st Appearance Jokers Daughter Harlequin 1977 High Grade
$49.99
Time Remaining: 52m
Buy It Now for only: $49.99
ROM 1 1979 NM+ HIGH GRADE 1ST APP ORIGIN 94 6 KEY APPEARANCE FRANK MILLER
ROM 1 1979 NM+ HIGH GRADE 1ST APP ORIGIN 94 6 KEY APPEARANCE FRANK MILLER
$50.00
Time Remaining: 1h 14m
Buy It Now for only: $50.00
Machine Man 1 4 7 8 9 10 Lot  1978 Marvel 1st Appearance Jack Kirby Vintage
Machine Man 1 4 7 8 9 10 Lot 1978 Marvel 1st Appearance Jack Kirby Vintage
$40.00
Time Remaining: 1h 36m
Buy It Now for only: $40.00
THE DEMON 1 1972 KIRBY ++ 3rd Series Issues 0 15 1ST APPEARANCE DC Comics Lot
THE DEMON 1 1972 KIRBY ++ 3rd Series Issues 0 15 1ST APPEARANCE DC Comics Lot
$75.00
Time Remaining: 1h 38m
Buy It Now for only: $100.00
1st Issue Special 1 Apr 1975 DC Kirby Atlas 1st appearance origin VF
1st Issue Special 1 Apr 1975 DC Kirby Atlas 1st appearance origin VF
$9.00
Time Remaining: 1h 49m
Buy It Now for only: $9.00
DC comics brave and the bold 200 cbcs 85 1st appearance Katana the outsiders VF
DC comics brave and the bold 200 cbcs 85 1st appearance Katana the outsiders VF
$39.99
Time Remaining: 1h 59m
Buy It Now for only: $39.99
Marvel Comics AMAZING SPIDER MAN 108 1st Shan Shan Appearance CGC 90
Marvel Comics AMAZING SPIDER MAN 108 1st Shan Shan Appearance CGC 90
$75.00
Time Remaining: 2h
Buy It Now for only: $75.00
Amazing Spider Man 81 F+ 65 1st Appearance  Origin Kangaroo John Romita Art
Amazing Spider Man 81 F+ 65 1st Appearance Origin Kangaroo John Romita Art
$44.99
Time Remaining: 2h 7m
Buy It Now for only: $44.99
Iron Fist 14 Vol 1 1st Appearance of Sabretooth
Iron Fist 14 Vol 1 1st Appearance of Sabretooth
$54.00 (5 Bids)
Time Remaining: 2h 11m
Amazing Spider Man 83 VF 75 1st Appearance of The Schemer John Romita Art
Amazing Spider Man 83 VF 75 1st Appearance of The Schemer John Romita Art
$49.99
Time Remaining: 2h 20m
Buy It Now for only: $49.99
SUB MARINER 50 CGC 80 1ST APPEARANCE NAMORITA NAMORA LLYRA APP MARVEL COMICS
SUB MARINER 50 CGC 80 1ST APPEARANCE NAMORITA NAMORA LLYRA APP MARVEL COMICS
$124.73
Time Remaining: 2h 28m
Buy It Now for only: $124.73
SUB MARINER 50 CGC 80 1ST APPEARANCE NAMORITA NAMORA LLYRA MARVEL COMICS
SUB MARINER 50 CGC 80 1ST APPEARANCE NAMORITA NAMORA LLYRA MARVEL COMICS
$124.73
Time Remaining: 2h 28m
Buy It Now for only: $124.73
Tomb of Dracula 25 CGC 65 Fine+ 1st appearance and origin of Hannibal King
Tomb of Dracula 25 CGC 65 Fine+ 1st appearance and origin of Hannibal King
$60.00
Time Remaining: 2h 31m
Buy It Now for only: $60.00
Amazing Spider Man 91 VG+ 45 1st Appearance Bullit Gil Kane John Romita Art
Amazing Spider Man 91 VG+ 45 1st Appearance Bullit Gil Kane John Romita Art
$19.99
Time Remaining: 2h 33m
Buy It Now for only: $19.99
Batman 234 CGC 60 1st Silver Age Appearance of Two Face
Batman 234 CGC 60 1st Silver Age Appearance of Two Face
$199.99
Time Remaining: 2h 34m
Buy It Now for only: $199.99
1ST APPEARANCE OF HOWARD THE DUCK ADEVENTURE INTO FEAR 19
1ST APPEARANCE OF HOWARD THE DUCK ADEVENTURE INTO FEAR 19
$139.99
Time Remaining: 2h 36m
Buy It Now for only: $139.99
Amazing Spider Man 108 VF 80 1st Appearance of The Giant One John Romita Art
Amazing Spider Man 108 VF 80 1st Appearance of The Giant One John Romita Art
$47.99
Time Remaining: 2h 51m
Buy It Now for only: $47.99
OMEGA THE UNKNOWN 1 MARVEL 03 76 LAST SURVIOR OF ALIEN WORLD 1ST APPEARANCE VF
OMEGA THE UNKNOWN 1 MARVEL 03 76 LAST SURVIOR OF ALIEN WORLD 1ST APPEARANCE VF
$11.73
Time Remaining: 3h 1m
Buy It Now for only: $11.73
SANDMAN V1 1 Grade 92 Bronze Age DC 1st Bronze Age Sandman appearance
SANDMAN V1 1 Grade 92 Bronze Age DC 1st Bronze Age Sandman appearance
$100.00
Time Remaining: 3h 11m
Buy It Now for only: $100.00
Fury Of Firestorm 1  2 Lot 1982 1st appearance  Origin of Black Bison FN
Fury Of Firestorm 1 2 Lot 1982 1st appearance Origin of Black Bison FN
$7.74
Time Remaining: 3h 18m
Buy It Now for only: $7.74
SANDMAN V1 1 Grade 85 Bronze Age DC 1st Bronze Age Sandman appearance
SANDMAN V1 1 Grade 85 Bronze Age DC 1st Bronze Age Sandman appearance
$60.00
Time Remaining: 3h 18m
Buy It Now for only: $60.00
Thor Annual 11 FN+ 1st Appearance of Eitri The Dwarf Infinity War 1983 Marvel
Thor Annual 11 FN+ 1st Appearance of Eitri The Dwarf Infinity War 1983 Marvel
$10.00
Time Remaining: 3h 22m
Buy It Now for only: $10.00
Black Lightning 1 NM 94 OW W pages Unrestored 1977 1st appearance
Black Lightning 1 NM 94 OW W pages Unrestored 1977 1st appearance
$155.00
Time Remaining: 3h 25m
Buy It Now for only: $155.00
Amazing Spider Man 117 F VF 70 1st Appearance of Disruptor John Romita Art
Amazing Spider Man 117 F VF 70 1st Appearance of Disruptor John Romita Art
$39.99
Time Remaining: 3h 26m
Buy It Now for only: $39.99
AMAZING SPIDER MAN  182 1st Appearance Jackson Wheel 1978 Mid Grade Bronze NR
AMAZING SPIDER MAN 182 1st Appearance Jackson Wheel 1978 Mid Grade Bronze NR
$0.99
Time Remaining: 3h 27m
Amazing Spider Man 117 VF+ 85 1st Appearance of Disruptor John Romita Art
Amazing Spider Man 117 VF+ 85 1st Appearance of Disruptor John Romita Art
$54.99
Time Remaining: 3h 28m
Buy It Now for only: $54.99
Iron Fist 14 1st appearance of Sabretooth signed by John Byrne
Iron Fist 14 1st appearance of Sabretooth signed by John Byrne
$185.00
Time Remaining: 3h 28m
The New Teen Titans Annual 2 1983 1st appearance Vigilante in costume
The New Teen Titans Annual 2 1983 1st appearance Vigilante in costume
$15.00
Time Remaining: 3h 29m
Buy It Now for only: $15.00
X Men 104 1977 1st Appearance Starjammers VF+ Condition
X Men 104 1977 1st Appearance Starjammers VF+ Condition
$19.99
Time Remaining: 3h 32m
New Teen Titans 2 CGC 92 1st Appearance of Deathstroke Bat Movie Key Hot
New Teen Titans 2 CGC 92 1st Appearance of Deathstroke Bat Movie Key Hot
$295.00
Time Remaining: 3h 47m
Buy It Now for only: $295.00
SUPERMAN 347 1980 DC 1st  ONLY Appearance of Phantom Spaceman
SUPERMAN 347 1980 DC 1st ONLY Appearance of Phantom Spaceman
$4.99
Time Remaining: 3h 51m
Buy It Now for only: $4.99
Amazing Spider Man 129 1st Punisher appearance HIGH GRADE near mint very fine
Amazing Spider Man 129 1st Punisher appearance HIGH GRADE near mint very fine
$710.00 (7 Bids)
Time Remaining: 3h 55m
THE AMAZING SPIDER MAN 153 THE PAINE 1ST APPEARANCE BRONZE 1976 ROMITA KANE
THE AMAZING SPIDER MAN 153 THE PAINE 1ST APPEARANCE BRONZE 1976 ROMITA KANE
$4.99
Time Remaining: 3h 57m
KAMANDI THE LAST BOY ON EARTH 1 VF NM Origin  1st Appearance DC Comics 1972
KAMANDI THE LAST BOY ON EARTH 1 VF NM Origin 1st Appearance DC Comics 1972
$68.80
Time Remaining: 4h 1m
Buy It Now for only: $68.80
Iron Man 55 CGC 85 1st appearance of ThanosMentorDrax
Iron Man 55 CGC 85 1st appearance of ThanosMentorDrax
$582.00 (18 Bids)
Time Remaining: 4h 3m
Amazing Spider Man 172 Sep 1977 Marvel F+ 1st Appearance of Rocket Racer F5
Amazing Spider Man 172 Sep 1977 Marvel F+ 1st Appearance of Rocket Racer F5
$15.99
Time Remaining: 4h 10m
Buy It Now for only: $15.99
MARVEL TEAM UP 65 1ST US APPEARANCE CAPTAIN BRITAIN HOT MOVIE FREE SHIPPING
MARVEL TEAM UP 65 1ST US APPEARANCE CAPTAIN BRITAIN HOT MOVIE FREE SHIPPING
$20.00 (4 Bids)
Time Remaining: 4h 12m
Captain Marvel 50 May 1977 1st appearance of Dr Minerva FN
Captain Marvel 50 May 1977 1st appearance of Dr Minerva FN
$35.00
Time Remaining: 4h 23m