Free Comic Book Day - May 5th 2012

"What is Free Comic Book Day?

Free Comic Book Day is a single day - the first Saturday in May each year - when participating comic book shops across North America and around the world give away comic books absolutely FREE* to anyone who comes into their stores. *Check with your local shop for their participation and rules." - PreviewsWorld.com

Comic Book Publishers have put together quite an extensive list of titles available for free exclusively for FCBD.

Gold Sponsors
Archaia Entertainment - Mouse Guard, Labyrinth & Other Stories
Archie Comics - Mega Man: Let the Games Begin
Bongo Comics - Bongo Comics Free-For-All / Spongebob Freestyle Funnies Flip-Book
Boom! Studios - Peanuts / Adventure Time Flip-Book
Dark Horse Comics - Star Wars / Serenity Flip-Book
DC Comics - The New 52 #1
IDW Publishing - Transformers #80.5
Image Comics - 20 Anthology
Marvel Comics - The Avengers #12.1
Oni Press - Yo Gabba Gabba! Free Comic Book Time!

Silver Sponsors -
Antartic Press - Diary of a Zombie Kid
Arcana Studios - Arcana Presents: The Intrinsic #1
Archie Comics - Sonic the Hedgehog: Two Steps Back... Special Edition
Aspen MLT - Worlds of Aspen 2012
Boundless Comics - Lady Death: The Beginning
Bluewater Productions - Burt Ward, Boy Wonder #1
Boom! Studios - Dune: Origins
Capstone - The incredible Rockhead & Zinc Alloy 2-For-None
Caption Box - Muqtatafaht: A Middle East Comics Anthology
CBLDF - The Censored Howard Cruse
Dark Horse Comics - Buffy the Vampire Slayer / The Guild Flip-Book
DC Comics - DC Nation Super Sampler / Superman Family Adventures Flip-Book
Drawn & Quarterly - Marble Season Preview
Drawn & Quarterly - Moomin Color Special
Fantagraphics Books - Walt Disney's Donald Duck Family Comics
Fantagraphics Books - Crockett Johnson's Barnaby Sampler
Gemstone Publishing - Overstreet's Comic Book Marketplace 2012
Hermes Press - My Favorite Martian Special Edition
Image Comics - Witchblade: Unbalanced Pieces
Liquid Comics - FCBD 2012 Dinosaurs vs Aliens
Liquid Comics: Graphic Elvis Preview
Marvel Comics - Spider-Man: Season One
Oni Press - Bad Medicine #1
Papercutz / NBM Publishing - The Smurfs / Disney Fairies Featuring Tinker Bell Flip-Book
Radical Publishing - Under the Faerie Moon Preview
Rebellion - 2000 AD Judge Dredd Special
Red Five Comics - Atomic Robo & Friends 2012
Th3rd World Productions - Finding Gossamyr & The Stuff of Legends IV
Top Shelf Comics - Top Shelf Kids Club 2012
12-Gauge Comics - Anti #1 Preview
Valiant Entertainment - Valiant Comics 2012 Preview
Viz Media - Voltron Force: Shelter From the Storm
Yen Press - The Infernal Devices: Cockwork Angel
Zenescope Entertainment - Jurassic Strikeforce 5 Preview
Zenescope Entertainment - Animal Planet Presents: The World's Most Dangerous Animals 2012
Wizkids / NECA - Marvel Heroclix: Thor Figure

Just a note: Not all titles are available in all stores. I'm not sure what the difference is between gold sponsors and silver sponsors, but I do know titles are limited. So get to your local comic book shop for your free books and get there early before the best titles run out.