FORTRESS DATABASE
KEY ISSUES BY PUBLISHER
First appearances, origin issues, and key comics catalogued across every major publisher.
Browse Comic Keys By Publisher
Publisher pages group first appearances, origin issues, major storyline books, and other collector targets by catalog. They are meant to help users move from a broad publisher search into the exact series and issues they need.
Start with Marvel or DC for the deepest catalogs, then drill into Image, Dark Horse, and other publishers to find debut issues, high-interest keys, and long-tail collector pages.