U. S. MARINE LANDS SABOTAGE RING! 1000 thrills a mile at 100 miles per hour...as an iron-fisted leatherneck battles spies on a speeding cross-country bus! (original poster)
A WHIRLWIND OF ACTION-PACKED SERIAL THRILLS! (original poster - all caps)
Based upon «The Spider» Magazine Stories (original poster)
What a Town! NEVER SLEEPS! Three shifts 'round the clock...and one shift's always raisin' Cain! Dames?...the town's full of 'em! Exciting...thrilling...sensational story of a boy and girl...dizzy with love...caught in the whirlpool of intrigue around one of our vital war plants...DRAMA...with the drive of a demolition bomb! (original poster)
DEATH HAUNTS THE CARNIVAL! In one breath-taking episode after another! Don't Miss It! (original poster)