* Midtown Comics (New York City, USA): This store boasts a massive footprint and a wide selection, often considered a top contender.
* Forbidden Planet (London, UK): Another giant in the field, Forbidden Planet is known for its size, variety, and international reach.
* The Comic Book Shop (Seattle, USA): Though smaller than Midtown Comics, this store is lauded for its massive inventory and vibrant community.
* The Million Year Picnic (Melbourne, Australia): This store is famous for its vast collection and its focus on independent and alternative comics.
Ultimately, the "largest" comic book store depends on what you prioritize. Do you value sheer size, inventory breadth, or community feel? Each of these stores excels in different ways.