PUBLISHERS>BOOM! STUDIOS>MOST VALUABLE
PUBLISHER MARKET RANKING

Most Valuable Boom! Studios Comics

This page ranks the highest-priced Boom! Studios key issues in Fortress using current market guide values from sampled public market listings. It is designed for collectors searching for the most valuable Boom! Studios comics, major grails, and high-end keys worth tracking.

2
ISSUES RANKED
$285
TOP PRICE
$13
MEDIAN PRICE

How To Read This Ranking

These are listing-based estimates, not completed sold comps. Fortress looks at sampled public marketplace listings, keeps a recent snapshot for each issue, and ranks books by the current estimated asking range. That makes this useful for discovery, relative pricing, and deciding which Boom! Studios grails deserve deeper research.

ALL BOOM! STUDIOS KEYSALL PUBLISHERS
1
Something Is Killing the Children #1 cover
$285
GUIDE VALUE
RANGE $15 - $575
SLAB $165
Something Is Killing the Children #1
First appearance2019SERIES PAGE
First appearance of Erica Slaughter.
FORTRESS GUIDE VALUE
9 comps sampled
2
Once & Future #1 cover
$13
GUIDE VALUE
RANGE $2 - $160
Once & Future #1
First appearance2019SERIES PAGE
First issue of Once & Future.
FORTRESS GUIDE VALUE
8 comps sampled
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