The classic lineup of The Southern Squadron comprises the following members: The Southern Squadron was formed by the government of Australia, in 1982, to deal with superpowered crime and to give local superheroes guidance, training and legal authority.

The supervisor/advisor to the squadron is Colonel Ralph Rivers (formerly the Crimson Comet, a winged superhero from the golden age of Australian comics).

The squadron is occasionally joined by Flash Damingo, an alien bi-pedal platypus with a cybernetic arm – a former member of the Space Rangers.

The Dark Nebula receives his powers from the two souls occupy the dead body of Colonel Mark Medula, an Australian astronaut, who on returning from a routine shuttle mission, encounters an alien war lord, Cerellus of the planet Caileu.

[1] The Dark Nebula ran for eight issues, with The Golden Age Southern Cross as the back-up feature.

Joe Australia, reprinting stories from the Marvel series with some additional Australian material.

The first issue included a solo adventure of Flash Damingo, an occasional member of Southern Squadron, and a new character Morton Stone: Undertaker.