X-3 y Su Patrulla Secreta

X-3 y Su Patrulla Secreta, a long-running Spanish series from Editorial Valenciana, debuted in 1945 and has continued for 28 issues. Created by an unknown talent, this comic follows a secret patrol led by the enigmatic X-3, blending adventure and mystery in a post-war context. Its enduring presence marks it as a foundational piece of Spanish comics history, reflecting the era's pulp storytelling and the publisher's commitment to serialized heroics.