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

Kamandi Last Boy On Earth 1 DC 1st Print 1st Kamandi Appearance Jack Kirby I2
Kamandi Last Boy On Earth 1 DC 1st Print 1st Kamandi Appearance Jack Kirby I2
$64.99
Time Remaining: 37m
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MARVEL PREMIERE  28 1ST APPEARANCE OF LEGION OF MONSTERSGHOST RIDERMORBIUS
MARVEL PREMIERE 28 1ST APPEARANCE OF LEGION OF MONSTERSGHOST RIDERMORBIUS
$32.00 (2 Bids)
Time Remaining: 50m
Batman 363 1983 1ST APPEARANCE NOCTURNA EXCELLENT COPY
Batman 363 1983 1ST APPEARANCE NOCTURNA EXCELLENT COPY
$19.99
Time Remaining: 1h 57m
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X Men 120 Marvel Comic CGC 85 1st Appearance Alpha Flight Cameo
X Men 120 Marvel Comic CGC 85 1st Appearance Alpha Flight Cameo
$90.00
Time Remaining: 2h 41m
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Action Comics  368 strict VF 1st appearance Alpha and Beta Part II
Action Comics 368 strict VF 1st appearance Alpha and Beta Part II
$37.00
Time Remaining: 3h 18m
Buy It Now for only: $37.00
FIRESTORM 1 VG FN 50 ORIGIN  1ST APPEARANCE
FIRESTORM 1 VG FN 50 ORIGIN 1ST APPEARANCE
$9.99
Time Remaining: 3h 20m
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TOMB OF DRACULA 28 Marvel CBCS 94 not CGC Adri Nitall 1st appearance Mae Li
TOMB OF DRACULA 28 Marvel CBCS 94 not CGC Adri Nitall 1st appearance Mae Li
$85.00
Time Remaining: 3h 39m
Buy It Now for only: $85.00
DETECTIVE COMICS 437 DC KEY BRONZE AGE 1ST APPEARANCE NEW MANHUNTER HIGH GRADE
DETECTIVE COMICS 437 DC KEY BRONZE AGE 1ST APPEARANCE NEW MANHUNTER HIGH GRADE
$120.00
Time Remaining: 3h 44m
Buy It Now for only: $120.00
Adventure Comics  321 strict VF 1st appearance The Time Trapper
Adventure Comics 321 strict VF 1st appearance The Time Trapper
$61.00
Time Remaining: 3h 56m
Buy It Now for only: $61.00
Adventure Comics  340 strict FN VF 1st appearance Computo
Adventure Comics 340 strict FN VF 1st appearance Computo
$34.50
Time Remaining: 4h
Buy It Now for only: $34.50
Giant Size FANTASTIC FOUR 2 Marvel CBCS 90 not CGC Tempus 1st appearance
Giant Size FANTASTIC FOUR 2 Marvel CBCS 90 not CGC Tempus 1st appearance
$49.00
Time Remaining: 4h 5m
Buy It Now for only: $49.00
Adventure Comics  361 strict FN VF 1st appearance The Unkillables
Adventure Comics 361 strict FN VF 1st appearance The Unkillables
$24.50
Time Remaining: 4h 6m
Buy It Now for only: $24.50
Iron Fist 9 CGC 92 1976 First 1st Chaka Full Appearance Claremont Byrne
Iron Fist 9 CGC 92 1976 First 1st Chaka Full Appearance Claremont Byrne
$89.99
Time Remaining: 4h 13m
Buy It Now for only: $89.99
Special Marvel Edition 15 1ST APPEARANCE Shang Chi Master of Kung Fu 1973
Special Marvel Edition 15 1ST APPEARANCE Shang Chi Master of Kung Fu 1973
$99.99
Time Remaining: 4h 31m
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DC COMICS PRESENTS 27 11 80 DC VF+ 85 1st APPEARANCE MONGUL SUPERMAN
DC COMICS PRESENTS 27 11 80 DC VF+ 85 1st APPEARANCE MONGUL SUPERMAN
$24.99
Time Remaining: 4h 44m
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1979 MARVEL AVENGERS 181 1ST APPEARANCE SCOTT LANG ANT MAN CGC 92 WHITE Pages
1979 MARVEL AVENGERS 181 1ST APPEARANCE SCOTT LANG ANT MAN CGC 92 WHITE Pages
$80.00
Time Remaining: 4h 51m
RAGMAN 1 and 2 DC Comics 1976 Origin  1st appearance
RAGMAN 1 and 2 DC Comics 1976 Origin 1st appearance
$18.00
Time Remaining: 5h 1m
Buy It Now for only: $18.00
Marvel FANTASTIC FOUR 113 1st Overmind in Cameo Appearance White Pages CGC 94
Marvel FANTASTIC FOUR 113 1st Overmind in Cameo Appearance White Pages CGC 94
$225.00
Time Remaining: 5h 18m
Buy It Now for only: $225.00
DEFENDERS 28 CLEAN COPY 1ST FULL APPEARANCE STARHAWK STAKAR OGORD GOTG MARVEL
DEFENDERS 28 CLEAN COPY 1ST FULL APPEARANCE STARHAWK STAKAR OGORD GOTG MARVEL
$79.99
Time Remaining: 5h 18m
Buy It Now for only: $79.99
Defenders 1 CGC Graded 75 OW to W 1972 1st Appearance Necrodamus
Defenders 1 CGC Graded 75 OW to W 1972 1st Appearance Necrodamus
$119.99
Time Remaining: 5h 20m
Buy It Now for only: $119.99
LEGENDS  3 Jan 1987 1st Appearance Modern SUICIDE SQUAD VERY FINE Condition
LEGENDS 3 Jan 1987 1st Appearance Modern SUICIDE SQUAD VERY FINE Condition
$12.00
Time Remaining: 5h 22m
Buy It Now for only: $12.00
1951 SERIES MARVEL STRANGE TALES 180 1ST APPEARANCE GAMORA FN VF
1951 SERIES MARVEL STRANGE TALES 180 1ST APPEARANCE GAMORA FN VF
$150.00
Time Remaining: 5h 29m
Buy It Now for only: $150.00
1963 SERIES MARVEL AMAZING SPIDER MAN 209 KRAVEN 1ST APPEARANCE CALYPSO NM
1963 SERIES MARVEL AMAZING SPIDER MAN 209 KRAVEN 1ST APPEARANCE CALYPSO NM
$19.99
Time Remaining: 5h 29m
Buy It Now for only: $19.99
Daredevil 100 June 1973 1st appearance Angar The Screamer origin retold
Daredevil 100 June 1973 1st appearance Angar The Screamer origin retold
$18.00
Time Remaining: 5h 51m
Buy It Now for only: $18.00
The Mighty Thor 240 October 1975 Marvel 1st Appearance of the Egyptian Gods
The Mighty Thor 240 October 1975 Marvel 1st Appearance of the Egyptian Gods
$4.00
Time Remaining: 6h 5m
Amazing Spider Man 129 CGC 25 OW W Pgs 1st Appearance Punisher Frank Castle
Amazing Spider Man 129 CGC 25 OW W Pgs 1st Appearance Punisher Frank Castle
$700.00
Time Remaining: 6h 27m
Buy It Now for only: $700.00
Amazing Spiderman 129 CGC 75 1st Appearance of the Punisher
Amazing Spiderman 129 CGC 75 1st Appearance of the Punisher
$1,149.99
Time Remaining: 6h 32m
Buy It Now for only: $1,149.99
JUSTICE LEAGUE OF AMERICA 1971 94 1ST APPEARANCE MERLIN STARMAN ADVENTURE 61
JUSTICE LEAGUE OF AMERICA 1971 94 1ST APPEARANCE MERLIN STARMAN ADVENTURE 61
$90.00
Time Remaining: 7h 38m
Buy It Now for only: $90.00
Savage She Hulk 1 Stan Lee John Buscema 1st appearance fine very fine 1980
Savage She Hulk 1 Stan Lee John Buscema 1st appearance fine very fine 1980
$45.00 (9 Bids)
Time Remaining: 7h 49m
Savage She Hulk 1 Stan Lee John Buscema 1st appearance very good 1980
Savage She Hulk 1 Stan Lee John Buscema 1st appearance very good 1980
$30.99 (7 Bids)
Time Remaining: 7h 50m
THE ETERNALS 1 MARVEL COMICS 1976 UNREAD JACK KIRBY 1ST APPEARANCE THE ETERNALS
THE ETERNALS 1 MARVEL COMICS 1976 UNREAD JACK KIRBY 1ST APPEARANCE THE ETERNALS
$81.00 (19 Bids)
Time Remaining: 7h 55m
Daredevil 196 VG 1983 KEY Canadian Price Variant 1st Appearance of DARK WIND
Daredevil 196 VG 1983 KEY Canadian Price Variant 1st Appearance of DARK WIND
$6.66
Time Remaining: 7h 55m
Buy It Now for only: $6.66
X Men 96 1st Appearance of Moira MacTagger WOLVERIENECYCLOPSSTORM FINE COND
X Men 96 1st Appearance of Moira MacTagger WOLVERIENECYCLOPSSTORM FINE COND
$55.00
Time Remaining: 7h 57m
Buy It Now for only: $55.00
CAPTAIN MARVEL 34 VG FN 50 1ST NITRO APPEARANCE
CAPTAIN MARVEL 34 VG FN 50 1ST NITRO APPEARANCE
$9.99
Time Remaining: 8h 25m
Buy It Now for only: $29.99
War Is Hell 9 1st appearance of Death
War Is Hell 9 1st appearance of Death
$59.99
Time Remaining: 8h 26m
Buy It Now for only: $59.99
Forver People 1 CGC 75 OW W 1st Full appearance of Darkseid
Forver People 1 CGC 75 OW W 1st Full appearance of Darkseid
$164.95
Time Remaining: 8h 30m
Buy It Now for only: $164.95
Giant Size Fantastic Four 4 1975 Madrox the Multiple Man 1st appearance
Giant Size Fantastic Four 4 1975 Madrox the Multiple Man 1st appearance
$30.00
Time Remaining: 8h 32m
Buy It Now for only: $50.00
Sandman 1 DC Comics Winter 1974 1st Bronze Age Appearance Simon Kirby
Sandman 1 DC Comics Winter 1974 1st Bronze Age Appearance Simon Kirby
$20.00
Time Remaining: 8h 42m
Morlock 2001 1 CGC 94 1975 Atlas Seaboard Origin  1st First Appearance
Morlock 2001 1 CGC 94 1975 Atlas Seaboard Origin 1st First Appearance
$69.99
Time Remaining: 8h 43m
Buy It Now for only: $69.99
Love and Rockets  1 10 VF 1st appearance Love and Rockets VINTAGE 1982 UK
Love and Rockets 1 10 VF 1st appearance Love and Rockets VINTAGE 1982 UK
$285.45
Time Remaining: 8h 49m
Buy It Now for only: $285.45