Superargo and the Faceless Giants was submitted to the Italian censorship board in September 1967, but was not released until January 1968 in Italy.

[5] The film was released on home video in the United States from several labels including Code Red as a double feature with Wacky Taxi and as part of the Cinema Insomnia collection where it is interspersed with comic commentary by Mr. Lobo in a manner similar to horror host antecedents like Elvira, Mistress of the Dark.

[6] In a contemporary review, the Monthly Film Bulletin stated that "in the hierarchy of superheroes, Superargo....must rate lower than Jungle Jim.

"[7] The review found Guy Madison "completely miscast" as "one of the most harmless-looking of villains".

The review concluded that the film would "please easily-pleased children, but comic strip aficionados will find even less to arouse them here than in Doc Savage.