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.

One of the most popular super-hero teams (and comic books) ever, Marvel’s X-Men have fueled decades of stories, titles and characters.

Love them or hate them, variant covers are a big part of the comic book industry. Here are the single issues with the highest number of variant covers to date.

Generally considered a decade best forgotten, the 1990’s nonetheless still managed to produce some real gems for comic book collectors.