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

SHOWCASE 88 CGC 90 OW WH PAGES 1ST APPEARANCE OF THE JASONS QUEST
SHOWCASE 88 CGC 90 OW WH PAGES 1ST APPEARANCE OF THE JASONS QUEST
$90.00
Time Remaining: 52m
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ROM 1 CGC 92 Comic Book Marvel Spaceknight 1 1st Appearance Beautiful 1979
ROM 1 CGC 92 Comic Book Marvel Spaceknight 1 1st Appearance Beautiful 1979
$99.99
Time Remaining: 58m
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DC Comics Presents 47 1st Appearance He Man Skeletor MOTU Masters of Universe
DC Comics Presents 47 1st Appearance He Man Skeletor MOTU Masters of Universe
$11.50 (3 Bids)
Time Remaining: 1h 25m
The Uncanny X Men  139 CGC 90 Kitty joins X Men 1st Appearance Heather Hudson
The Uncanny X Men 139 CGC 90 Kitty joins X Men 1st Appearance Heather Hudson
$79.99
Time Remaining: 1h 30m
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Amazing Spider Man 93 Feb 1971 Marvel VF NM 1st Appearance Arthur Stacy F
Amazing Spider Man 93 Feb 1971 Marvel VF NM 1st Appearance Arthur Stacy F
$134.99
Time Remaining: 1h 47m
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DETECTIVE COMICS 501 NM+ 96 1ST APPEARANCE JULIA PENNYWORTH DAUGHTER ALFRED
DETECTIVE COMICS 501 NM+ 96 1ST APPEARANCE JULIA PENNYWORTH DAUGHTER ALFRED
$39.99
Time Remaining: 2h 4m
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MS MARVEL 18 CGC 94JUN 1978 MARVEL1ST APPEARANCE OF MYSTIQUEX MEN
MS MARVEL 18 CGC 94JUN 1978 MARVEL1ST APPEARANCE OF MYSTIQUEX MEN
$209.99
Time Remaining: 2h 13m
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MS MARVEL 18 CGC 90JUN 1978 MARVEL1ST APPEARANCE OF MYSTIQUEX MEN
MS MARVEL 18 CGC 90JUN 1978 MARVEL1ST APPEARANCE OF MYSTIQUEX MEN
$136.99
Time Remaining: 2h 13m
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Avengers 167 VF++ 1st Appearance of Carina GOTG App
Avengers 167 VF++ 1st Appearance of Carina GOTG App
$45.00
Time Remaining: 2h 21m
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X Men 115 Signed by Chris Claremont  Shooter W COA 1st Appearance of Zaladane
X Men 115 Signed by Chris Claremont Shooter W COA 1st Appearance of Zaladane
$69.99
Time Remaining: 2h 28m
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Daring New Adventures of Supergirl 1 11 82 Origin Retold 1st Appearance Psi
Daring New Adventures of Supergirl 1 11 82 Origin Retold 1st Appearance Psi
$8.95
Time Remaining: 2h 51m
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BATMAN 363 DETECTIVE COMICS 529 530 COMPLETE 1ST APPEARANCE NOCTURNA SET DC
BATMAN 363 DETECTIVE COMICS 529 530 COMPLETE 1ST APPEARANCE NOCTURNA SET DC
$39.99
Time Remaining: 2h 59m
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New Gods 9 1st Appearance Forager Grade 70 1972
New Gods 9 1st Appearance Forager Grade 70 1972
$17.66
Time Remaining: 3h 11m
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All Star Squadron 21 1st Appearance Deathbolt DC 1983 NM
All Star Squadron 21 1st Appearance Deathbolt DC 1983 NM
$24.99
Time Remaining: 3h 15m
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Werewolf By Night Omnibus Ploog Cover Moon Knight 1st Appearance
Werewolf By Night Omnibus Ploog Cover Moon Knight 1st Appearance
$39.99
Time Remaining: 3h 30m
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X Men 80 Juggernaut 1st appearance Bronze Age February 1973
X Men 80 Juggernaut 1st appearance Bronze Age February 1973
$14.99
Time Remaining: 3h 33m
Marvel Premier 35 1st Appearance of 3 D Man cbcs 92 signed by Roy Thomas 2015
Marvel Premier 35 1st Appearance of 3 D Man cbcs 92 signed by Roy Thomas 2015
$40.00
Time Remaining: 3h 34m
Wonder Woman 300 February 1983 1st appearance Lyla Trevor
Wonder Woman 300 February 1983 1st appearance Lyla Trevor
$18.00
Time Remaining: 4h 21m
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FIRESTORM 1 1978 ORIGIN  1ST APPEARANCE NEWSSTAND VARIANT NUCLEAR MAN DC
FIRESTORM 1 1978 ORIGIN 1ST APPEARANCE NEWSSTAND VARIANT NUCLEAR MAN DC
$29.99
Time Remaining: 4h 38m
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ASTONISHING TALES 25 FEATURING DEATHLOK THE DEMOLISHER 1ST APPEARANCE MARVE
ASTONISHING TALES 25 FEATURING DEATHLOK THE DEMOLISHER 1ST APPEARANCE MARVE
$58.00
Time Remaining: 4h 43m
Buy It Now for only: $82.00
TOMB OF DRACULA 16 FN  1st Appearance of Duncan Corley 1974 Horror
TOMB OF DRACULA 16 FN 1st Appearance of Duncan Corley 1974 Horror
$13.41
Time Remaining: 4h 48m
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Uncanny X men 118 Execellent Condition 1st appearance Mariko Yashida
Uncanny X men 118 Execellent Condition 1st appearance Mariko Yashida
$40.00
Time Remaining: 4h 51m
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Tomb of Dracula 10 CBCS 85 OW W 1st Appearance of Blade
Tomb of Dracula 10 CBCS 85 OW W 1st Appearance of Blade
$564.95
Time Remaining: 4h 54m
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Conan the Barbarian 1 CBCS 90 Origin 1st Appearance of CONAN MEGA KEY NOT CGC
Conan the Barbarian 1 CBCS 90 Origin 1st Appearance of CONAN MEGA KEY NOT CGC
$499.99
Time Remaining: 5h 6m
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THE AVENGERS 196 CGC 94 WHITE PAGES NEWSSTAND 1ST TASKMASTER APPEARANCE
THE AVENGERS 196 CGC 94 WHITE PAGES NEWSSTAND 1ST TASKMASTER APPEARANCE
$199.99
Time Remaining: 5h 12m
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FOREVER PEOPLE 2 May 1971 1st Appearance DESAAD VF+ Or Better
FOREVER PEOPLE 2 May 1971 1st Appearance DESAAD VF+ Or Better
$29.99
Time Remaining: 5h 15m
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NEW GODS 1 March 1971 1st Appearance ORION VF Or Better
NEW GODS 1 March 1971 1st Appearance ORION VF Or Better
$84.99
Time Remaining: 5h 18m
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Superboy 171 1st Appearance AquaBoy  Bronze Age DC Comic
Superboy 171 1st Appearance AquaBoy Bronze Age DC Comic
$6.80
Time Remaining: 5h 19m
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Amazing Spider man 167 F 1977 1st Will O The Wisp Appearance Mid Grade Marvel
Amazing Spider man 167 F 1977 1st Will O The Wisp Appearance Mid Grade Marvel
$7.60
Time Remaining: 5h 35m
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Marvel Comics The Mighty THOR 229 Ad for 1st Appearance Of Wolverine VG FN 50
Marvel Comics The Mighty THOR 229 Ad for 1st Appearance Of Wolverine VG FN 50
$24.95
Time Remaining: 5h 40m
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GIANT SIZE CONAN 1 F VF 1st appearance of Belit Marvel Comics 1974
GIANT SIZE CONAN 1 F VF 1st appearance of Belit Marvel Comics 1974
$17.00
Time Remaining: 5h 42m
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Amazing Spider Man 138 Marvel Comics 1974 1st Appearance of Mindworm NM
Amazing Spider Man 138 Marvel Comics 1974 1st Appearance of Mindworm NM
$50.00
Time Remaining: 6h 9m
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ROM  1 ORIGIN  1st APPEARANCE OF ROM STRICT VF+ 85
ROM 1 ORIGIN 1st APPEARANCE OF ROM STRICT VF+ 85
$17.99
Time Remaining: 6h 17m
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The Incredible Hulk 181 Nov 1974 Marvel 1st Appearance Wolverine
The Incredible Hulk 181 Nov 1974 Marvel 1st Appearance Wolverine
$945.00 (14 Bids)
Time Remaining: 6h 37m
DAREDEVIL 97 CBCS 96 OW WH PAGES 1ST APPEARANCE OF DARK MESSIASH
DAREDEVIL 97 CBCS 96 OW WH PAGES 1ST APPEARANCE OF DARK MESSIASH
$210.00
Time Remaining: 6h 39m
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CONAN THE BARBARIAN  1 FNVF 70 ORIGIN  1st APPEARANCE OF CONAN CENTS KEY
CONAN THE BARBARIAN 1 FNVF 70 ORIGIN 1st APPEARANCE OF CONAN CENTS KEY
$121.56 (9 Bids)
Time Remaining: 6h 39m
ROM 1 CGC 98 white pages 1st Appearance ROM
ROM 1 CGC 98 white pages 1st Appearance ROM
$274.99
Time Remaining: 6h 39m
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DAREDEVIL 100 CBCS 94 OW WH PAGES 1ST APPEARANCE OF ANGAR THE SCREAMER
DAREDEVIL 100 CBCS 94 OW WH PAGES 1ST APPEARANCE OF ANGAR THE SCREAMER
$210.00
Time Remaining: 6h 43m
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The Invincible Iron Man 170 1st Appearance of Jim Rhodes as Iron Man
The Invincible Iron Man 170 1st Appearance of Jim Rhodes as Iron Man
$6.00
Time Remaining: 6h 43m
FIRESTORM 1MAR 1978 DC COMICS KEY 1ST APPEARANCE  ORIGIN ISSUE VF
FIRESTORM 1MAR 1978 DC COMICS KEY 1ST APPEARANCE ORIGIN ISSUE VF
$59.99
Time Remaining: 6h 48m
Buy It Now for only: $59.99