Space Assassin

Looming above your home planet is the vast hulk of the starship Vandervecken. Aboard, the crazed scientist Cyrus is planning to unleash a gruesome experiment upon your world, which will destroy all life as it is known, leaving only hideous mutations in its wake. YOU are an assassin and your mission is to stop him -- before it is too late! Puffin: #12 1985