Cosmo the Mighty Martian — Archie Comics
Issue: #3
Cosmo and Astra investigate a planet of shpooky shadows, little do they know it's actually an ambush led by one of the evil Venusian Battle Princesses, Boudica! Can the pair overcome the devious dark devils, or will they be overshadowed by the barbarous battling Boudica?!
Creators: Evan Stanley, Matt Herms, Jamie Lee Rotante, Ugarte Jaime, Ron Cacace, Stephen Oswald, Jaime Martinez, Ian Flynn, Tracy Yardley, Vincent Lovallo, Jack Morelli, Alex Segura
Characters: Cosmo the Merry Martian, Astra