Tuesday is National Superhero Day

Tuesday is National Superhero Day.

Participating

locations are celebrating heroes of all kinds with free doughnuts.

Customers who buy a dozen doughnuts of any variety Tuesday will receive a dozen original glazed doughnuts for free.

Krispy Kreme is also offering one lucky winner free doughnuts for life and five first prize winners a year's worth of free doughnuts.

To enter, take a photo with your hero (it can be a human, a figurine, an animal, etc.), then post it to your Facebook, Instagram, Twitter or Vine account the hashtag, #SuperHeroSelfie.