If you told me a fast-food brand known for buckets and biscuits was about to jump headfirst into the candy aisle, I would have guessed we were talking about a novelty joke or an April Fools' stunt.

A firm fixture of family entertainment, The Muppets have been around for more than 70 years, bringing music, mischief and madness to our homes across a number of media. From their humble beginnings on ...