Character Price Index
John Constantine Comics
Key issues, first appearances, and market estimates for 1 tracked comic.
Guide data reviewed July 2026. See our editorial policy and valuation disclaimer.
Tracked Issues
1
Highest Value
$280
Average Value
$280
First Appearance
1985
🌟 Definitive First Appearance
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Swamp Thing #37 (1985)
John Constantine debuted in this historic issue published by DC Comics. Estimated market value ranges from $35 up to $1.4K.
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All Tracked Appearances
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Frequently Asked Questions
What is the most valuable John Constantine comic book?
The top-valued comic issue featuring John Constantine in our database is Swamp Thing #37 (1985), estimated at $280 depending on physical condition.
When did John Constantine make their first appearance?
John Constantine debuted in Swamp Thing #37 in 1985, published by DC Comics.