Outer Space Men by The Four Horsemen:
Wave one will be Astro-Nautilus: the Man from Neptune featuring four articulated tentacles and his regal undersea trident; and Inferno: the Flame Man of Mercury wielding his fiery flame blaster and removable helmet!Available at Comicon and also at their website. Details here.
Wave two will contain Xodiac: the Man from Saturn along with his Saturnian scepter, disintegrator pistol, and removable helmet; and Metamorpho: the Man from Alpha Centauri brandishing his morpho-gun, alpha sensor, and transforming facial features!
*Buy plastic space men at eBay.