The most fantastic...most exciting serial ever made! (original release)
«He had eyes that gave me the horrors» (original print ad)
WRAPPED IN MYSTERY! LOADED WITH THRILLS! (original Australia poster - all caps)
DANGER on the Dark Continent!
SCIENCE TRAPS A KILLER!
FOR THE FIRST TIME!...An amazing answer to the atomic bomb explodes in a blaze of serial super-action! (original print ad)
A Story of the Modern Escapades of the Most Famous Adventurers in all Fiction!
King of THE JUNGLE Battles Lawless Fortune Hunters!