Chabelo y Pepito contra los Monstruos: 1973
Estudios Churubusco Azteca /Alameda Films
Color
aka Chabelo and Pepito against the Monsters

Director: José Estrada
Cast: Javier López, Martín Ramos, Silvia Pasquel

Plot: This movie plays out a lot like The Monster Squad (1986), in that boys who love comic books and monster movies foil a plot for world domination involving a bunch of classic monsters. Also present is a stolen plot from Ummo (1969) in which someone uses monsters to try and take over the world instead of using some more practical means.