Comic Series Index
Swamp Thing Comics
Publisher: DC Comics | 1 issue tracked
Guide data reviewed July 2026. See our editorial policy and valuation disclaimer.
Tracked Issues
1
Top Key Value
$280
Average Issue Value
$280
🏆 Most Valuable Issues in Swamp Thing
| Issue | Year | Key Note | Est. Value |
|---|---|---|---|
| #37 | 1985 | First appearance of John Constantine (Hellblazer) by Alan Moore | $280 |
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