Thor (1966) #355
1st appearance of Buri as Tiwaz
"The Icy Hearts"
Thor awakens to find himself in the home of a gigantic man, and the ice sculptures that serve him. Back on Earth, Bill, Sif, and the Warriors Three walk around Earth while the GLF attacks. Thor thinks his host is Odin, but Tiwaz proves that he is not him. Tiwaz helps heal Thor's spirit and sends him on his way to help guide Frigga and the children home. Meanwhile, Loki convinces Lorelei to help him in his quest for the throne.
Creators: Walt Simonson, Sal Buscema