Green Lantern and Starman: Danger from Above
by Dan Swanson, with Drivtaan 
When a massive asteroid named Damocles threatens Earth, Green Lantern and Starman head into outer space to divert the danger from above. But as they investigate, the two JSA members are attacked by a few old enemies from the planet Mars who manage to disable their powers! Can Alan Scott and Ted Knight figure out a way to regain control over the power ring and the cosmic rod in time to save the Earth from destruction? Introducing the Lawman of Mars!