These are some of the most expensive comic books that have ever been sold in the history of comic books—and for good reason.

One year after his debut in 1941 ... in the 1939 "Detective Comics" No. 27 broke the record for the most valuable comic book when an 8.0-graded copy sold in 2010 for $1,075,000.The seller ...

After his ringing success through Action Comics, Clark Kent was given his own solo series in 1939's Superman #1. The giant-sized comic book follows ... Superman the 'most valuable comic' title.