2000 A. D. Presents #14

In "The Lost Worlds," a lone traveler awakens aboard a mysterious vessel only to find its course altered by a sinister double of himself. When the impostor is finally confronted and defeated, the ship’s crew discovers the creature was not alien—but something far stranger, grown from organic matter that defies understanding. As the vessel reaches its new, unknown destination, the true nature of the journey begins to unfold.