Amazing Mystery Funnies #21 (1940)

Nelson and Kodi of the Space Patrol are dispatched to Jupiter in response to a call from Raxun, a tribal chieftan. His people gather rare Jurta berries and extract from them the powerful and costly Jurta drug. But recently sixty berry harvesters have been murdered and their crop stolen. The lawmen expose a gang of balloon men from the Jovian jungles.

Tippy has completed the quest set upon him by the wizard and is wondering how to return to the underground castle, when Mr. Doaks, a giant winged bird of his acquaintance appears and flies him there. Using the three artifacts brought back by Tip, the wizard males up a formula to inject into his inanimate robot creations and thereby bring them to life. The creation of multiple robots continues, but one, a female named Electra, forments revolution within the robot ranks.

Larry agrees to work with his old boxing friend Curly at his training camp, in preparation for his attempt at becoming the World Heavyweight Champion. New York gambling racketeer Antone Spiro intends putting in the fix and betting on Curly's opponent, so sends his gang to the camp to kidnap Curly. Larry hears the commotion and pursues the crooks on a motorcycle, shortly catching up with and disposing of them.

By use of a time machine, Mosely reveals the mudererer of his friend Marion's father.

Bill, Davey and Jamaica Jones are still stranded on a desert island, but decide to put to sea in a small masted boat. At the end of the fourth day a lugger passes nearby and rescues them. By pure chance Bill and the captain are old mates.

Hassam, an East Indian, is killing beat cops with darts from a blow gun. After the fifth such murder, Reel decides to try and solve the mystery. Shadowing a pair of officers, he tussles with the culprit, but is overcome. The following day Speed hears of Reel's disppearance on the radio and flies off to investigate.

Satan Rex's plan to hurl the Earth into the sun is now underway in earnest. As the heaviside layer of gas in the stratosphere burns away, people are coming down with skin cancers. Jon is convinced that a ray from Venus is causing the problem and launches his experimental rocket ship. On Venus he finds Satan Rex waiting for him.

Haakonland is being forced into an unjust war over refusal to allow the aggressor to establish a seaport. Selkirk and his group of Inner Circle agents join with the Haakonand forces to fight the enemy in the frozen wastes in the north of the country.