Agente Secreto X-9

Agente Secreto X-9 is a Spanish comic series from Hispano Americana de Ediciones SA, running from 1941 to the present across 14 issues. Based on the classic American newspaper strip by Alex Raymond and Dashiell Hammett, this series brings the hard-boiled espionage adventures of a shadowy secret agent to a Spanish audience, marking an early and enduring European adaptation of the iconic character. Its continued publication underscores its lasting appeal in the Spanish market.