The Mighty Thor ##391
Marvel Comics • The Mighty Thor Vol. 1
Writer
Tom DeFalco
Interior Artist
Ron Frenz and Bret Breeding
Cover Artist
Ron Frenz and Bret Breeding
Publication Date
May 1988
Cover Variant
Direct Edition
Printing
First Printing
Comic Description
Thor battles the villainous Mongoose while guest-starring The Amazing Spider-Man. The story follows Thor's attempt to stop Mongoose's rampage in New York City, leading to a team-up with Peter Parker. This issue is part of the popular Tom DeFalco/Ron Frenz run.
Condition & Value
Condition Grade
Fine/Very Fine (7.0)
Condition Details
Moderate spine stress with color-breaking ticks; minor corner blunting, specifically on the top right; some slight edge wear and surface scuffing visible on the dark background areas of the logo and UPC box; slight yellowing of pages consistent with age.
Estimated Market Value
Raw: $3 - $10; Graded (9.0+): $35 - $60
Recent Sales
Raw copies typically sell for around $5 on eBay; high-grade CGC 9.8 copies have sold in the $80-$100 range, but lower grades fetch significantly less.
Grading Recommendation
Not recommended for professional grading unless for personal collection sentimental value. The cost of grading (approx. $25-$40) exceeds the market value of a 7.0 grade copy.
Notable Features
Guest appearance by Spider-Man; features Mongoose as the primary antagonist; Direct Edition (identifiable by the UPC barcode strip without the strike-through or blank space); Ron Frenz art style reminiscent of Jack Kirby.
Authentication Notes
The item appears to be an authentic 1988 original. Print registration on the 'Marvel' corner box and 'The Mighty Thor' logo is crisp and consistent with late-80s copper age printing methods on newsprint-grade paper.