Collects Thor (1966) #242-253.
*To save the very universe, Thor and the Warriors Three travel through time to stop the deadly Time Twisters! Then, it's off to Costa Verde to face the new threat of Firelord-but when Thor gets mind-controlled, only Jane Foster can save the day! And when Mangog storms the gates of Asgard, Thor must rescue his father Odin from Hela herself!
Witness the God of Thunder in some of his earliest battles! Featuring the threats of Ulik, Zarrko the Tomorrow Man and more! *Source: marvel.com