The Mighty Thor ##131
Marvel Comics • Thor Vol. 1

Writer
Stan Lee
Interior Artist
Jack Kirby
Cover Artist
Jack Kirby
Publication Date
August 1966
Cover Variant
Regular (12-cent silver age)
Printing
First Printing
Comic Description
In 'They Strike from Space!', Thor is kidnapped by the Colonizers of Rigel who intend to colonize Earth. Features the first full appearance of the Rigellian Colonizers and the continued search for Jane Foster. The backup story features 'Tales of Asgard: The Slaying of the Smothering Fog'.
Condition & Value
Condition Grade
Good (CGC 2.0)
Condition Details
Significant defects present including heavy staining on the upper right quadrant of the cover (near Thor title), heavy spine roll and wear, multiple color-breaking spine stress lines, corner blunting and rounding, surface dirt/foxing, and visible edge wear. The cover exhibits overall dullness and significant creasing.
Estimated Market Value
Raw: $15-$25 | Graded (estimated 2.0): $40-$50
Recent Sales
Similar low-grade raw copies have recently sold for approximately $18-$22 on auction platforms. Higher grade 9.0+ copies command $200+ prices.
Grading Recommendation
Not recommended for professional grading. The costs of grading fees, shipping, and insurance would likely exceed the final market value of the book given the 2.0 condition grade. Better kept as a raw reader copy.
Notable Features
First full appearance of the Rigellians (Tana Nile). Iconic Jack Kirby artwork. Part of the legendary Stan Lee and Jack Kirby run.
Authentication Notes
Authentic Silver Age Marvel production signs including standard 12-cent price point, IND distribution mark, and period-accurate color palette. No signs of restoration visible.