Teenage Mutant Ninja Turtles: Ninja Elite Series Black & White 4-Pack and Spider-Man: Spider-Verse 4-Piece Enamel Pin Set Free Comic Book Day exclusives | Source: Diamond Comic Distributors/the Pop Insider

Diamond Comic DistributorsFree Comic Book Day — scheduled for Aug. 14 — is celebrating its 20th year! And to help commemorate this milestone anniversary, there is a lineup of five Previews Exclusive items on the way.

These five collectibles will be available on Saturday, Aug. 14, in very limited quantities and only from participating Free Comic Book Day stores.

The exclusives kick off with a Teenage Mutant Ninja Turtles: Ninja Elite Series Black & White 4-Pack from Playmates ($110), which includes Leonardo, Donatello, Michelangelo, and Raphael in black-and-white designs. The set (pictured, top) is limited to 3,600 pieces.

For fans of Spider-Man: Into the Spider-VerseMondo is offering a Spider-Man: Spider-Verse 4-Piece Enamel Pin Set ($40) for Free Comic Book Day. The pins (also pictured, top) feature Miles, Gwen, Spider-Ham, and Peter B. Parker. The set is limited to 3,000 pieces.

RELATED: FREE COMIC BOOK DAY WILL BE BACK IN AUGUST

Spider-fans who prefer something for their display shelf can snag the Spider-Man HeroClix Figure from WizKids/NECA. There aren’t many details for this item yet, but it features Spidey in a new costume.

Diamond Select Toys is also getting in on the exclusives action, with a G.I. Joe: A Real American Hero Minimates Box Set ($29.99). The set includes 2-inch versions of Snake Eyes, Scarlett, Storm Shadow, and Cobra Commander. Each figure features 14 points of articulation and interchangeable parts and accessories.

Finally, Lineage Studios has a Power Rangers: Auto-Morphin Green Ranger Pin ($24) that converts from the Green Ranger to his civilian identity, Tommy. The pin is limited to 2,000 pieces and features a signature by Jason David Frank, who played the Green Ranger in Mighty Morphin Power Rangers.

To find a participating comic book shop near you, and to see images of the remaining exclusives when they become available, head to freecomicbookday.com.