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John Carter, Warlord of Mars #9 front cover
~8.5 AI-Estimated
Approximate
Condition Profile
JOHN CARTER, WARLORD OF MARS #9
MARVEL COMICS · 2/78 · NEWSSTAND
UNIT ECA-009256

JOHN CARTER, WARLORD OF MARS #9

Gil Kane and Rudy Nebres illustrate Marvel's Barsoom adaptation, scripted by Marv Wolfman

SIG 2/10 Available

// Unit specification

PublisherCover dateEraVariantKey attributeStatus
Marvel Comics February 1978 Bronze Newsstand AVAILABLE

// Run position

Part of an unbroken run · #1–#22 · 22 issues View all 22 available issues of JOHN CARTER, WARLORD OF MARS →

// Condition analysis

⚠ AI-Estimated / Approximate Condition Profile

Cover shows strong gloss and vibrant color with sharp corners and no visible creasing or spine stress. A UPC barcode is present, confirming newsstand edition. Minor handling wear is possible but not visible through the protective sleeve, and the book is bagged, obscuring fine surface texture; interior and back cover were not assessed.

// Valuation — market reference

⚠ AI-Estimated values — approximate, not an appraisal · no market comps found — era-based estimate
BracketGradeEst. market valueMarker
LOW_RAW 0.5 – 1.5 $2
MID_RAW 4.0 – 6.0 $6
HIGH_CERT 9.8 SLAB $55

// Archive commentary

John Carter, Warlord of Mars #9 arrived in February 1978 as part of Marvel's late-1970s push into licensed adventure properties, adapting Edgar Rice Burroughs' Barsoom mythos with Marv Wolfman scripting and Gil Kane on pencils, inked by Rudy Nebres and colored by Janice Cohen. The issue continues the ongoing adventures of John Carter, Dejah Thoris, Tars Tarkas, and Kantos Kan without introducing a new character, origin, or death, and it carries none of the historical firsts that price guides flag as keys. Its interest rests instead on Kane's dynamic figure work and the enduring appeal of Burroughs' source material to genre readers.

The secondary market treats this title as a run-filler rather than a destination book: it lacks the crossover or first-appearance hooks that drive sustained demand, and general back-issue turnover for the series is modest compared to Marvel's core superhero output of the same period. What scarcity exists shows up mainly at the top of the grading scale, where surviving high-grade newsstand copies of lesser Bronze Age licensed titles are genuinely uncommon even though demand for them is thin, producing a gap between raw and slabbed pricing that is proportionally larger than the book's overall profile would suggest.

Buyers for this issue tend to be Gil Kane completists, Edgar Rice Burroughs and Barsoom collectors, and readers assembling a full run of the Marvel John Carter series rather than speculators chasing a key. Raw copies in low and mid grade are readily available and inexpensive, reflecting healthy original print quantities and limited crossover appeal. A certified 9.8 is the outlier in this profile, commanding a real premium purely on condition census scarcity rather than character or story significance, and is best positioned to specialist consignors rather than general auction floors.

// Copies in archive

UnitGradeVariantStatus
ECA-009256 ~8.5 Newsstand AVAILABLE

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