Superhero film as action, horror, fantasy, comedy etc. Almost immediately after superheroes rose to prominence in comic books, they were adapted into Saturday film serials aimed at children, starting with "Mandrake The Magician" (1939). Serials such as "Adventures of Captain Marvel" (1941), "Batman" (1943), "The Phantom" (1943), "Captain America" (1944), and "Superman" (1948) followed. In the following decades, the decline of Saturday serials and turmoil in the comic book industry put an end to superhero motion pictures, with the exception of "Superman and the Mole Men", starring George Reeves, which was a trial balloon for the television series "Adventures of Superman", compilations
Jan (comic book writer) down in 1985, Jan, together with many other comic book writers, had to do work for other editorial companies. Jan published his first (and only) erotic comic 'Laszivia' in Norma Editorial, and created characters such as 'Cab Halloloco' and 'Los ultimos de Villapiñas' for the Jauja comic magazine. The character 'Superioribus', drawn for the editorial Forum, is also a superhero parody. In 1987, Ediciones B began publishing a Superlopez magazine. In this way Jan can continue working on this character till now, with a few other contributions from time to time to other magazines, such as the characters "Pum Tarrota"