Board Thread:Spoilers!/@comment-413929-20141211181204/@comment-4075031-20141211194312

Chameleon-Guy wrote: It's probably that flashback about her and Regina. Though it's kinda sad if it means there's no Maleficent in 4x12 and 4x13 (we didn't see her on set).

Maleficent is confirmed to appear in episode 12.