Published Dec 1985 by Marvel/Star Comics.
First Printing. Direct Edition. "Survival Run!" Written by David Micheline. Art by Jim Mooney and Brett Breeding. When the Thundercats' homeworld is destroyed, a small group of survivors crash-land on the mysterious green world known as Third Earth. They soon find themselves in a desperate fight for survival against their mortal enemies the Mutants. However, things go from bad to worse when their battle with the vile Mutants awakens Mumm-Ra, an ancient ogre-mage whose dark magic powers know no rival.