Board Thread:Spoilers!/@comment-25551215-20160315233708/@comment-26830263-20160924055854

https://www.yahoo.com/tv/once-upon-a-time-season-6-premiere-161353357.html#.V-XX-sFayEg.facebook

This article lists Maleficent as one of the returning characters. But I don't see it reliable, isn't it?