(Cover Date: September, 1988)

Summary: Kang-Nebula transports a Mechanisaurus Rex from a future timeline to kill Thor, who she sees as a threat to her plan to obtain the ultimate weapon. Thor is ordered to attack the robot alone by the compromised Dr. Druid. Thor has difficulty dispatching the battle robot, but the Black Knight goes to Thor's aid, against Druid's wishes, & uses his Ebony Sword to help destroy it.