Think your old comic books are just gathering dust? Think again. Some lesser-known issues have quietly become goldmines over the years. Be it unexpected first appearances or some hidden gems, these ten comic books might just be worth more than you ever imagined—and could even lead to a jackpot.
The Invincible Iron Man #55
This 1973 issue features the first appearance of Thanos, a character who gained immense popularity through the Marvel Cinematic Universe. High-grade copies can command prices ranging from $2,000 to $10,000, depending on condition and demand.
Marvel Spotlight #5
Ghost Rider made his debut in the 1972 release, becoming a legendary superhuman character in Marvel. The value of this comic has only grown over the years, with well-preserved mint copies fetching between $200 and $2,000, influenced by the comic’s condition and market interest.
The New Mutants #87
The first appearance of Cable was in 1990, a character integral to Marvel’s X-Men universe. This comic’s value has grown significantly, and well-preserved copies typically range from $100 to $1,000. High-grade editions and first prints often fetch top-tier prices in the collector market.
Batman: The Killing Joke
In 1988, this iconic graphic novel, which explores the Joker’s origin, was released and quickly became a favorite of comic fans. Its dark storytelling and stunning art make it valuable. First prints in excellent condition can be worth $500 to $2,000.
Captain Marvel #33
Featuring Carol Danvers as Ms. Marvel, this 1974 comic book is a key issue for Marvel collectors. It introduces the character in her new costume, and well-maintained copies can range from $100 to $300, with higher values for better-preserved versions.
Justice League of America #1
Released in 1960, this comic marks the first team-up of the Justice League. With iconic heroes like Superman, Batman, and Wonder Woman, high-grade copies of this issue can be worth anywhere from $10,000 upwards.
Daredevil #1
Daredevil’s debut in 1964 makes this comic a key collectible. As one of Marvel’s early successes, it is valued from $5,000 to $15,000 based on condition and rarity. Comic book enthusiasts and collectors alike especially seek after first prints.
Wonder Woman #1 (1987)
After the Crisis on Infinite Earths storyline, Wonder Woman received a fresh start with a new direction by George Pérez in 1987. His creative vision revamped the character, making this comic a key issue for collectors, with values increasing for well-preserved copies.
Thor #337
Introduced in 1983, this comic marks the first appearance of Beta Ray Bill, a beloved character in Thor’s mythos. In excellent condition, the value typically ranges from $100 to $500, with higher prices for CGC-graded, mint-quality versions due to its collector appeal.
X-Force #1
This comic introduced Deadpool to the world. As the hype for Deadpool paced up, this 1991 issue quickly became a collector’s favorite. Its popularity has led to prices between $50 and $150. CGC-graded copies in top-tier condition are in high demand in the current comic market.