Board Thread:Spoilers!/@comment-25375217-20170119000258/@comment-24674051-20170217222420

I doubt that would or even could happen. Emma, at the time of the McKenna Grace era, was in Boston in one of the many group homes that she lived in, and would not have had means or opportunity to travel to Maine, even supposing that she could find Storybrooke (which was well hidden magically from the outside, as shown in "Welcome to Storybrooke".