Thor, Vol. 1 Annual #17 (1992)

Citizen Kang - Part 2: The Hammer, the Cross, and the Eye
Citizen Kang: Part 2 (of 4) - The Avengers acting chairperson, Black Widow, sends the new Thor to investigate both the Vision and Captain America's disappearances. Thor locates Chronopolis and, unlike Captain America, is able to fly over various cross-time eras, finally settling down in 10th Century Norway, among his worshipers. however, the Norse are in the midst of battling the Celts in the British Isles, and Thor soon finds himself up against the wizardry of Prester John and the Evil Eye! Meanwhile, Ravonna convinces Dr. Druid that Kang is a menace to everyone on Earth and must be stopped.
Release Date: 1992