Thor (1966) #245

With the world in ruins, Thor and his companions - along with the Tomorrow Man and his Servitor - make a last-ditch effort to save the fate of not only Zarrko's world, but also that of all worlds. But will even a trip to the end of time be enough to stop the awesome chain of events that threatens every living being? The Thunder God is faced with challenges unlike any seen before in this, the ultimate chapter of the Saga of the Time Twisters!