Collects Thor (1966) #242-254, Annual (1966) #5, Marvel Spotlight (1971) #30 and Material from Marvel Treasury Edition (1974) #10. Writer Len Wein lifts Mjolnir aloft and rallies forth the armies of Asgard! When the Time-Twisters seek to destroy Earth, Thor embarks on an adventure with Zarrko the Tomorrow Man. It's a battle through time (with dinosaurs!) that will impress you to the end! Then, Thor fights the Firelord in the jungles of Latin America...and only Jane Foster can save him! The Warriors Three ramble off on a solo adventure, while Thor returns to Asgard to face the one and only Mangog!