Easily one of the most popular (and profitable) characters ever, Stan Lee and Steve Ditko’s puny teenager that gets bitten by a radioactive spider has made Spider-Man a household name.

In an age where print runs are frequently in the hundred-thousands, which issues and variants are the hardest to get? The lowest of the low print runs?

The Holy Grails of any collection … The Top 10 most exspensive comic books. Ever.

One of—if not THE—most iconic characters in the world, Batman (Bruce Wayne) has had a huge impact on pop culture.

The darlings of the Marvel Cinematic Universe, The Avengers are a long and storied history in print. Somewhat surprisingly, most of their key issues are pretty affordable compared to other titles like the X-Men or The Amazing Spider-Man.

Marvel’s first family has had more than a few shots at the silver screen over the years, but with their impending debut in the MCU proper, it’s very likely many of their key issues featured here will explode even more.