Thor the Mighty Avenger has been banished from his home and stripped of his power. On Earth, or Midgard as Thor calls it, Thor reunites with Mjolnir, his hammer, and battles Mr. Hyde and gigantic robots, tangles with mighty sea creatures, and saves damsels in distress.

"Contains material originally published in magazine form as Thor the Mighty Avenger #1-4 and Journey Into Mystery #83-84"--Cover p. [2].