Its publication marked the beginning of the superhero genre, and only about 100 copies of it are known to exist.

Someone's 10-cent investment in a copy of Action Comics No. 1 in 1938 has turned into a $15 million payday for a later owner ...

It's a bird! It's a plane! No – it’s the most expensive comic ever sold! An original "Superman" No. 1 comic, printed by DC Comics in 1939, sold for a world-record $9.12 million last Thursday, the most ...

At first glance, it was just another old box in the attic. Three brothers were cleaning out their mother's old house when they cracked it open and made a multimillion-dollar discovery. Hidden under a ...

An original copy of the first edition of the first "Superman" comic from 1939 — which had been lying undiscovered in an attic for decades — was sold at auction on Thursday for more than $9 million, ...

The Man of Steel still resonates with collectors. A copy of Superman No. 1, the 1939 comic book that featured the superhero in his first solo title, sold for a record $9.12 million on Thursday in an ...

An original copy of the first edition of the first "Superman" comic from 1939 — which had been lying undiscovered in an attic for decades — was sold at auction on Thursday for more than $9 million, ...