Comic books can be worth some serious dough. The most expensive comic book ever sold is considered to be “Action Comics #1”, featuring the first appearance of Superman, which sold for a whopping $3.2 million in 2014. But it’s not the only comic book to break the million-dollar mark.
“Detective Comics #27,” which featured the first appearance of Batman, sold for $1.5 million in 2010. “Amazing Fantasy #15”, featuring the first appearance of Spider-Man, sold for $1.1 million in 2011. So, if you got your hands on any of these comics, you might want to hold onto them tightly!