If you're new to Free Comic Book Day, or if you just need a refresher, here's how it works.
Retailers all over the country observe the holiday the first Saturday in May.
Have fun on Free Comic Book Day and share your story in the comment section below.
Comics are free but shops may limit the number you are allowed to have.
Shoppers were able to take home three free pre-selected books as part of the giveaway.
It's a celebration of the medium and hobby thousands of people partake in every single day.
It's all part of Free Comic Book Day, held the first Saturday in May, at select locations in the USA and worldwide.
Comic book fans wait for the opening of Free Comic Book Day at Happy Harbor Comics in Edmonton on Saturday
The warehouse sale is from 10 a.m.to 6 p.m.
The store participates by offering a variety of free comics, that range from titles like Riverdale to Adventure Time.
"It gives people an opportunity to be exposed to something they wouldn't normally pick up in comics", Wizards Asylum owner Bryan Alcorn said.
"My dad would give me comics to teach me how to read when I was a kid", said Willoughby, whose favorite character is the fourth-wall breaking Deadpool.
In Kalamazoo, Rocket Comics also celebrated the day by handing out free comic books. Check the library's online event calendar for details about each location's Free Comic Book Day activities. "Barrier" from Image and "Black Hammer" from Dark Horse are aimed at more sophisticated comics fans.
Free Comic Book Day was founded in 2002 to help bring new readers into independent comic book stores. Some of the titles include Avengers, Star Wars, DC Superhero Girls, Pokemon, Disney Princess and dozens more.