Swamp Thing Comics
Key issues, first appearances, and market estimates for 2 tracked comics.
Guide data reviewed July 2026. See our editorial policy and valuation disclaimer.
Tracked Issues
2
Highest Value
$4.2K
Average Value
$2.2K
First Appearance
1971
Swamp Thing comic value overview
This guide covers 2 tracked Swamp Thing appearances published between 1971 and 1985 by DC Comics. The records span 2 series, including Swamp Thing, House of Secrets and include 2 key issues flagged for collector interest. The current tracked average is $2.2K, while the highest estimate is $4.2K; actual sale prices depend on edition, grade, restoration, and timing.
Use the issue cards below to compare individual price ranges, then review the valuation methodology and disclaimer before treating an estimate as a selling price.
House of Secrets #92 (1971)
Swamp Thing debuted in this historic issue published by DC Comics. Estimated market value ranges from $450 up to $22.0K.
🔑 Key Issues
All Tracked Appearances
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Frequently Asked Questions
What is the most valuable Swamp Thing comic book?
The top-valued comic issue featuring Swamp Thing in our database is House of Secrets #92 (1971), estimated at $4.2K depending on physical condition.
When did Swamp Thing make their first appearance?
Swamp Thing debuted in House of Secrets #92 in 1971, published by DC Comics.