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

X MEN 167 1983 NEW MUTANTS APPEARANCE X MEN MARVEL MOVIE 1st PRINT NM
X MEN 167 1983 NEW MUTANTS APPEARANCE X MEN MARVEL MOVIE 1st PRINT NM
$6.95
Time Remaining: 30m
Buy It Now for only: $6.95
X MEN 97 1976 1st APPEARANCE LILANDRA ERIC THE RED MARVEL MOVIE NM
X MEN 97 1976 1st APPEARANCE LILANDRA ERIC THE RED MARVEL MOVIE NM
$119.95
Time Remaining: 33m
Buy It Now for only: $119.95
Uncanny X Men 99 CGC 92 1st Appearance Black Tom Cassidy 6 1976 Marvel Comics
Uncanny X Men 99 CGC 92 1st Appearance Black Tom Cassidy 6 1976 Marvel Comics
$259.03
Time Remaining: 54m
Marvel Comics Group Doctor Who 1st American Comic Book Appearance
Marvel Comics Group Doctor Who 1st American Comic Book Appearance
$30.00
Time Remaining: 1h 6m
Buy It Now for only: $30.00
1st ISSUE SPECIAL 1 ATLAS DC COMICS 1975 CGC 80 1st APPEARANCE ATLAS J KIRBY
1st ISSUE SPECIAL 1 ATLAS DC COMICS 1975 CGC 80 1st APPEARANCE ATLAS J KIRBY
$30.00
Time Remaining: 1h 13m
The NEW TEEN TITANS Annual 2 Comic 1st Appearance Vigilante 1983 George Perez
The NEW TEEN TITANS Annual 2 Comic 1st Appearance Vigilante 1983 George Perez
$1.75
Time Remaining: 1h 24m
Uncanny X MEN 120 CGC 94 nMint 1st Appearance ALPHA FLIGHT  Vindicator Cameo
Uncanny X MEN 120 CGC 94 nMint 1st Appearance ALPHA FLIGHT Vindicator Cameo
$349.04
Time Remaining: 1h 27m
MACHINE MAN 1 MARVEL COMICS 4 1978 1ST APPEARANCE MACHINE MAN UNPRESSED b
MACHINE MAN 1 MARVEL COMICS 4 1978 1ST APPEARANCE MACHINE MAN UNPRESSED b
$19.99
Time Remaining: 1h 28m
Buy It Now for only: $19.99
Avengers 165 Marvel Nov 1977 1st Appearance of Count Nefaria with powers
Avengers 165 Marvel Nov 1977 1st Appearance of Count Nefaria with powers
$4.25
Time Remaining: 1h 30m
Uncanny X MEN 121 CGC 96 NM+ 1st Full Appearance ALPHA FLIGHT 2nd HighestGrade
Uncanny X MEN 121 CGC 96 NM+ 1st Full Appearance ALPHA FLIGHT 2nd HighestGrade
$419.54
Time Remaining: 1h 34m
The New Mutants 9 Nov 1983 Marvel 1st Appearance Selene Black Queen FN VF
The New Mutants 9 Nov 1983 Marvel 1st Appearance Selene Black Queen FN VF
$9.99
Time Remaining: 2h 23m
ROM 1  2 Marvel Comics 70 FN VF 1979 Origin  1st Appearance of ROM
ROM 1 2 Marvel Comics 70 FN VF 1979 Origin 1st Appearance of ROM
$17.99
Time Remaining: 2h 26m
GI Joe 6 A Real American Hero CGC 60 Fine 1st Appearance of Oktober Guard
GI Joe 6 A Real American Hero CGC 60 Fine 1st Appearance of Oktober Guard
$30.00
Time Remaining: 2h 29m
Buy It Now for only: $30.00
Marvel amazing spider man 110 Stan Lee John romita 1st appearance gibbon
Marvel amazing spider man 110 Stan Lee John romita 1st appearance gibbon
$64.99
Time Remaining: 2h 36m
Buy It Now for only: $64.99
Star Wars 59 CGC 96 NM+ 1st Appearance of Orion Ferret Marvel 5 82
Star Wars 59 CGC 96 NM+ 1st Appearance of Orion Ferret Marvel 5 82
$34.99
Time Remaining: 2h 43m
Legends 3 CGC 96 NM+ 1st Appearance the New Suicide Squad 1 87 DC Comics
Legends 3 CGC 96 NM+ 1st Appearance the New Suicide Squad 1 87 DC Comics
$49.99
Time Remaining: 2h 43m
Nova 1 1976 CGC 92 Origin and 1st Appearance
Nova 1 1976 CGC 92 Origin and 1st Appearance
$165.00
Time Remaining: 2h 51m
HOWARD the DUCK 13 1st full KISS Appearance 1977 MARVEL Comics VF NM Book
HOWARD the DUCK 13 1st full KISS Appearance 1977 MARVEL Comics VF NM Book
$22.49
Time Remaining: 2h 53m
Buy It Now for only: $22.49
Omega men 3 DC 1983 1st appearance Lobo Rare High grade key Decarlo Slifer
Omega men 3 DC 1983 1st appearance Lobo Rare High grade key Decarlo Slifer
$60.00
Time Remaining: 3h
FIRESTORM 3 1st appearance of Killer Frost 1978
FIRESTORM 3 1st appearance of Killer Frost 1978
$24.99
Time Remaining: 3h 25m
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 33m
Buy It Now for only: $18.99
BIONIC WOMAN 1 VF NM 1ST APPEARANCE OF BIONIC WOMAN CHARLTON COMICS
BIONIC WOMAN 1 VF NM 1ST APPEARANCE OF BIONIC WOMAN CHARLTON COMICS
$50.00
Time Remaining: 3h 40m
Buy It Now for only: $50.00
1st Issue Special 8 1975 1st Appearance  Origin of Warlord  75  VF
1st Issue Special 8 1975 1st Appearance Origin of Warlord 75 VF
$50.00
Time Remaining: 3h 44m
Buy It Now for only: $50.00
UNCANNY X MEN  168 MARVEL Comic Book 1st Appearance Madelyne Pryor 1983
UNCANNY X MEN 168 MARVEL Comic Book 1st Appearance Madelyne Pryor 1983
$10.00
Time Remaining: 4h 3m
All Star Comics  58 CGC 94 OWW DC 1976 1st full appearance Powergirl
All Star Comics 58 CGC 94 OWW DC 1976 1st full appearance Powergirl
$395.00
Time Remaining: 4h 16m
Buy It Now for only: $395.00
Marvel Comics Fantastic Four  204 1978 VG Skrulls Appearance 1st Nova Corps
Marvel Comics Fantastic Four 204 1978 VG Skrulls Appearance 1st Nova Corps
$4.99
Time Remaining: 4h 24m
Buy It Now for only: $4.99
The Incredible Hulk 234 Apr 1979 Marvel Captain America 217 1st appearance
The Incredible Hulk 234 Apr 1979 Marvel Captain America 217 1st appearance
$53.40
Time Remaining: 4h 38m
Marvel Graphic Novel 4 1st Print CGC 80 WHITE Pages 1st Appearance New Mutants
Marvel Graphic Novel 4 1st Print CGC 80 WHITE Pages 1st Appearance New Mutants
$175.00
Time Remaining: 4h 41m
OMEGA THE UNKNOWN 1 MARVEL COMICS 3 1976 1ST APPEARANCE OMEGA UNPRESSED
OMEGA THE UNKNOWN 1 MARVEL COMICS 3 1976 1ST APPEARANCE OMEGA UNPRESSED
$14.99
Time Remaining: 4h 42m
Buy It Now for only: $14.99
The Eternals 2 1st Appearance Celestials  Ajak Key Book New Marvel Movie Rare
The Eternals 2 1st Appearance Celestials Ajak Key Book New Marvel Movie Rare
$21.50 (2 Bids)
Time Remaining: 4h 47m
Iron Man Bronze Age 8 Comic Lot 1977 Marvel Many 1st Appearance
Iron Man Bronze Age 8 Comic Lot 1977 Marvel Many 1st Appearance
$19.00
Time Remaining: 4h 48m
Buy It Now for only: $29.99
Giant Size Defenders 3 VG+ 45 1st Korvac Appearance Unlimited 7 Shipping
Giant Size Defenders 3 VG+ 45 1st Korvac Appearance Unlimited 7 Shipping
$7.95
Time Remaining: 4h 48m
OUTCAST 1 IMAGE COMICS 6 2014 1ST APPEARANCE OF KYLE BARNES UNPRESSED b
OUTCAST 1 IMAGE COMICS 6 2014 1ST APPEARANCE OF KYLE BARNES UNPRESSED b
$9.99
Time Remaining: 4h 50m
Buy It Now for only: $9.99
OUTCAST 1 IMAGE COMICS 6 2014 1ST APPEARANCE OF KYLE BARNES UNPRESSED c
OUTCAST 1 IMAGE COMICS 6 2014 1ST APPEARANCE OF KYLE BARNES UNPRESSED c
$9.99
Time Remaining: 4h 50m
Buy It Now for only: $9.99
Spectacular Spider Man 64 First Appearance Cloak  Dagger Marvel Comic 1st App
Spectacular Spider Man 64 First Appearance Cloak Dagger Marvel Comic 1st App
$44.44
Time Remaining: 4h 51m
Buy It Now for only: $44.44
Ms Marvel 18 CGC 70 1st full appearance of Mystique White pages
Ms Marvel 18 CGC 70 1st full appearance of Mystique White pages
$70.00
Time Remaining: 4h 52m
Buy It Now for only: $150.00
HOWARD THE DUCK 12 VF NM 1st Appearance of KISS 1977 Classic Marvel Comic
HOWARD THE DUCK 12 VF NM 1st Appearance of KISS 1977 Classic Marvel Comic
$34.30
Time Remaining: 4h 53m
Buy It Now for only: $34.30
The Eternals 3 1st Appearance Sersi Key Book New Marvel Movie Phase 4 HOT HTF
The Eternals 3 1st Appearance Sersi Key Book New Marvel Movie Phase 4 HOT HTF
$33.00 (2 Bids)
Time Remaining: 4h 54m
Howard The Duck 13 Fine+ 65 1st KISS Appearance Unlimited 7 Shipping
Howard The Duck 13 Fine+ 65 1st KISS Appearance Unlimited 7 Shipping
$6.95
Time Remaining: 4h 54m
Luke Cage Hero For Hire 2 1972 CGC Graded 96 1st Appearance Claire Temple
Luke Cage Hero For Hire 2 1972 CGC Graded 96 1st Appearance Claire Temple
$325.95
Time Remaining: 4h 57m