With his powers halved by an angry Odin, Thor is left defenseless and distraught. In an attempt to please Odin and regain his abilities, Thor accepts a dangerous mission from the 23rd century. Will Thor be able to save 20th century earth, by destroying Arthur Zarrko of the future?

1. The Mighty Thor! "Slave of Zarrko, The Tomorrow Man!" - Enslaved by the Tomorrow Man, Thor has no choice but to aid in the subjugation of the entire populace of the 23rd Century.
2. The Green Hat (text story) - George has seen what most people don't believe, take it from him.
3. The Menace
4. Tales of Asgard: Death Comes to Thor! - When the goddess Sif is kidnapped by the Storm Giants, Thor wields Mjolnir for the first time in his quest to rescue her!