User blog comment:Ḡwẵine Ḹٍٍkƨ Ĺiĸe Ͼềлȑềd/Will Turner in Pirates 5/@comment-67.226.229.141-20130225024030/@comment-1984959-20130225074156

Source being? As nothing has been announced at this time(save for a potential release date and a writer), no returning characters or cast members has been announced as of yet. Unless if the news came from official sources, everything is speculation and rumor for the time being.