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Swamp Thing Keys

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House of Secrets #92
DC ⋅ 1971
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House of Secrets #92
 
Low
$425
Mid
$1.2k
High
$4.8k

Key Facts

1st appearance of the Swamp Thing, Alex Olsen

[January 2023 - a Swamp Thing horror film is in development at DC Studios]

2024 Heritage Sale: 9.8 sold for $84,000 [$14,000 in 2015] +500%

Swamp Thing #1
DC ⋅ 1972
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Swamp Thing #1
 
Low
$40
Mid
$120
High
$400

Key Facts

1st appearance and origin of the second Swamp Thing, Alec Holland

1st cameo appearance of Anton Arcane

1st appearance of Matt Cable, later becomes the Sandman's raven

1st cameo appearance of the Un-Men

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1st appearance of Nathan Ellery, the man who caused the explosion that created Swamp Thing

First ongoing Swamp Thing solo title

Swamp Thing #2
DC ⋅ 1972
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Swamp Thing #2
 
Low
$6
Mid
$20
High
$85

Key Facts

1st full appearance of Anton Arcane

1st cameo appearance of Patchwork Man

2nd appearance of the Swamp Thing, Alec Holland

1st full team appearance of the Un-Men

Swamp Thing #3
DC ⋅ 1973
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Swamp Thing #3
 
Low
$5
Mid
$15
High
$55

Key Facts

1st full appearance of the Patchwork Man

1st appearance of Abby Arcane

Swamp Thing #5
DC ⋅ 1973
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Swamp Thing #5
 
Low
$2
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$8
High
$20

Key Facts

Discovery of new powers, the ability to regenerate damaged or severed limbs

Swamp Thing #7
DC ⋅ 1973
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Swamp Thing #7
 
Low
$5
Mid
$15
High
$60

Key Facts

First meeting of Swamp Thing and Batman

Swamp Thing #8
DC ⋅ 1974
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Swamp Thing #8
 
Low
$1
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$5
High
$18

Key Facts

Cover art by Bernie Wrightson

Swamp Thing #9
DC ⋅ 1974
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Swamp Thing #9
 
Low
$5
Mid
$15
High
$60

Key Facts

Iconic cover art by Bernie Wrightson

Swamp Thing #10
DC ⋅ 1974
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Swamp Thing #10
 
Low
$1
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$4
High
$12

Key Facts

Final Bernie Wrightson art on a Swamp Thing title

Flash #245
DC ⋅ 1976
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Flash #245
 
Low
$1
Mid
$3
High
$12

Key Facts

1st appearance of Plant Master as the Floronic Man

Doorway to Nightmare #1
DC ⋅ 1978
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Doorway to Nightmare #1
 
Low
$10
Mid
$30
High
$100

Key Facts

1st appearance of Madame Xanadu, a mystic

Saga of the Swamp Thing #20
DC ⋅ 1984
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Saga of the Swamp Thing #20
 
Low
$4
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$12
High
$40

Key Facts

First written work on Swamp Thing by Alan Moore

Saga of the Swamp Thing #21
DC ⋅ 1984
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Saga of the Swamp Thing #21
 
Low
$2
Mid
$8
High
$25

Key Facts

New origin of the Swamp Thing

1st appearance of the Seeder aka Floronic Man aka Plant Master

Swamp Thing Annual #2
DC ⋅ 1985
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Swamp Thing Annual #2
 
Low
$2
Mid
$8
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$20

Key Facts

Unofficial cameo team appearance of Justice League Dark

Saga of the Swamp Thing #33
DC ⋅ 1985
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Saga of the Swamp Thing #33
 
Low
$2
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$5
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$15

Key Facts

Cover homage of 'House Of Secrets' No. 92, the issue in which the Swamp Thing made his first appearance as Alex Olsen

Origin of Swamp Thing, Alex Olsen retold

Saga of the Swamp Thing #37
DC ⋅ 1985
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Saga of the Swamp Thing #37
 
Low
$40
Mid
$120
High
$400

Key Facts

1st appearance of John Constantine, Hellblazer

[September 2022 - Warner Bros. announced Keanu Reeves will reprise the role of Constantine in a sequel film]

Saga of the Swamp Thing #38
DC ⋅ 1985
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Saga of the Swamp Thing #38
 
Low
$1
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$5
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$15

Key Facts

3rd appearance of John Constantine

Retitled 'Swamp Thing' without 'Saga of the' - numbering continues

Saga of the Swamp Thing #47
DC ⋅ 1986
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Saga of the Swamp Thing #47
 
Low
$1
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$2
High
$7

Key Facts

1st team appearance of the Parliament Of Trees, elementals like Swamp Thing

Unaccredited cameo by Marvel's Man-Thing

Saga of the Swamp Thing #49
DC ⋅ 1986
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Saga of the Swamp Thing #49
 
Low
$2
Mid
$8
High
$25

Key Facts

Unofficial cameo team appearance of the Justice League Dark: Swamp Thing, Hellblazer, Deadman, Phantom Stranger, Dr. Occult, Etrigan The Demon, Zatanna, The Spectre, Sargon and Dr. Fate

1st cameo appearance of the Great Evil Beast aka the Great Darkness

Saga of the Swamp Thing #50
DC ⋅ 1986
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Saga of the Swamp Thing #50
 
Low
$4
Mid
$12
High
$40

Key Facts

1st unofficial team appearance of the Justice League Dark

Death of Giovanni Zatara and Sargon the Sorcerer

1st full appearance of the Great Evil Beast, in the form of darkness

Saga of the Swamp Thing #52
DC ⋅ 1986
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Saga of the Swamp Thing #52
 
Low
$1
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$3
High
$12

Key Facts

Cover art by Stephen Bissette depicting Swamp Thing as the ivy on the gates of Arkham Asylum

Saga of the Swamp Thing #65
DC ⋅ 1987
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Saga of the Swamp Thing #65
 
Low
$1
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$2
High
$5

Key Facts

1st appearance of Sprout, an elemental who will inhabit the body of Swamp Thing and Abby's baby

Saga of the Swamp Thing #67
DC ⋅ 1987
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Saga of the Swamp Thing #67
 
Low
$1
Mid
$2
High
$10

Key Facts

Six-page preview of John Constantine's first solo title, Hellblazer #1 (1988)

Saga of the Swamp Thing #90
DC ⋅ 1989
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Saga of the Swamp Thing #90
 
Low
$1
Mid
$2
High
$10

Key Facts

1st appearance of Tefe Holland, an earth elemental and the daughter of Abby and Swamp Thing, Alec Holland

As of December 1, 2023 there are 17 total copies of this issue on the census, six in 9.8

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