Claim: Gene Dogs was one of three limited series launched under the "Gene Pool" label, and the first issue of each was shipped with collectible cards.
Evidence: Along with Gun Runner and Genetix, Gene Dogs was one of three limited series launched together under the 'Gene Pool' banner and "linked by a common thread - genetic mutation". As part of this promotion, the first issue of each series was shipped polybagged with collectable "Gene Cards" profiling the characters.