How much is Detective Comics #140 worth?
Short answer: Detective Comics #140 from 1948, is the first appearance of The Riddler (Edward Nigma) and goes for round $50,000 in top grades.
Detective Comics #140 Value
Detective Comics #140 from 1948, is the first appearance of The Riddler (Edward Nigma) and goes for round $50,000 in top grades.
Last updated: September 8, 2025