How do I do it you ask? Easy.
Go here:
https://www.facebook.com/pages/Odin-Sons-Comics-and-Collectables/433727036687709
"Like" the page.
Then Click on the wall post "comic book freebies" or follow this link:
https://apps.facebook.com/easypromos/promotions/94882
Answer the trivia question. Winner will be drawn from correct entries. Contest ends June 30 2013.
That's it, good luck!!