Board Thread:Spoilers!/@comment-11464223-20140207061100/@comment-6175354-20140216180253

Prince of Rascia wrote: I doubt we'll see anyone except Wicked Witch, Glinda, maybe a winged monkey and the Wizard. Exactly.... every Oz character does not need to make an appearance. The Darling siblings only played a minor role during the Neverland arc. Why would it be any different during the Oz arc?

Though, Regina is probably filling in the role of the Wicked Witch of the East.