Gargunza invents a device that can prevent Micky Moran from saying the magic word that transforms him into Marvelman.; When the Marvelman Family stops Gargunza's latest scheme, he is sent to a deserted Pacific island as punishment. He conquers the natives with his scientific tricks, then uses the island as a base from which to attack the world again.; Young Gargunza provides Pontag with the potion that can change him into Young Nastyman, and the two return to Earth to make trouble for Young Marvelman.; Marvelman agrees to test a new invention but it turns him mindless and transports him to Africa. Young Marvelman and Kid Marvelman have to find the scientist who caused the trouble and restore their friend to normal.; When Gargunza finishes his super-weapon, Relti double-crosses him and launches him into space in a rocket. Meanwhile, Marvelman successfully fends off the dinosaur attack and intercepts the rocket, finding Gargunza inside with a bomb set to go off.