McDonalds releases questionably green 'Angry Birds' burger

McDonalds burger buns have been far too beige, for far too long. In China, the chain recently decided to release a line of green and red burgers to promote the upcoming Angry Birds Movie . The burgers are supposed to elicit some childlike enthusiasm for the summer blockbuster — but some are worried that they look like slightly unpalatable substances, including "fresh mold" and "old blood." SEE ALSO: McDonalds 'of the future' to offer all-you-can eat fries "The Naughty Green Pork Burger" wi