Planet Comics #21

In "Invaders of Venus," Captain Defi and his crew land on the mysterious planet Venus, where they’re greeted by Princess Neo and her people. When Mars triggers a mutiny among Defi’s men, only old Sam and cabin boy Dave remain loyal, forcing Defi to confront the chaos and betrayal as he and Princess Neo work to restore order.

In the hidden depths of Neptune’s Inner-World, Reef and Vara are enslaved by rival chieftains, their fates hanging in the balance. When Reef saves the dying Tab of Xalan from an assassin, he earns his freedom—and a desperate plea to rescue Vara and defend the Tabess from the rising threat of the Guirthites. Together, they stand at the edge of war, bound by loyalty and a promise yet unfulfilled.

In the 1942 sci-fi adventure "null" from Planet Comics #21, a mining town on the edge of Venus falls under attack by the Vormants. When pilot Gale and her squadron arrive to help, they team up with Lief, the young son of the mine’s discoverer, who suspects the foreman Jed is behind the raid. With clever tricks and quick thinking, the group turns the tide—only to face the real danger lurking beneath the surface.

In the forbidden valley of Jupiter’s Sun People, love defies the air itself—Tona and Dasa, bound by more than just desire, risk everything when Tona steals a radium jewel to escape the dense, deadly atmosphere. Captured by the enigmatic Mist People led by Haga, their fate hangs in the balance until Auro, a figure of unexpected power, steps in to dismantle the machines that poison the valley’s air. With the skies clearing and the kingdom divided, the King’s final decree offers a fragile hope: a union between two worlds, forged in secrecy and sacrifice.

In the ravaged 33rd century, Earth lies abandoned—except for the lone archer Hunt Bowman, captured by the alien Iqor. Forced aboard a Volta ship, Hunt and fellow prisoner Lyssa seize control, crash-landing on Lyssa’s forgotten homeworld, the Lost World. There, fear and ancient rituals stir as Lyssa’s subject Basil rebels, setting Hunt and Lyssa against a monstrous threat born of the planet’s dark past.

In "null," Norge and his loyal polar bear Frosting are sent by Princess Jolie from Pax to Jupiter on a peace mission, only to be captured by Amazons and diverted to the mysterious planet Indigo. As Norge tries to mediate between warring factions, promises of harmony ring hollow when the tensions erupt again upon their return to Pax—forcing a hasty escape that ends in a crash on Pluto.

In the 1942 sci-fi adventure "null" from Planet Comics #21, Star Pirate and his sidekick Trody stumble upon the deserted planetoid where they’ve hidden their treasure—only to find Sir Gayda and Wista stranded there. When the ship of the long-dead villain Muigela arrives, Star Pirate must outwit Gurn and Mika to claim leadership of the crew, leading to a tense standoff aboard a captured space liner. After refusing to harm the liner’s passengers, the crew is captured by the Space Patrol, and Star Pirate faces execution—only for Sir Gayda to reveal a shocking truth that changes everything.

In "The Plague of Locust-Men," Flint Baker and Mimi face off against the terrifying Axtur and his swarm of locust-men in a desperate mission to protect a Saturn defense outpost. With betrayal from within, the duo is captured and forced to confront the enemy on their own terms—until Flint turns the tide in a daring move that could change everything.