User blog comment:Ḡwẵine Ḹٍٍkƨ Ĺiĸe Ͼềлȑềd/Where is everyone getting this Crystal Cave speculation from?/@comment-4650675-20121216201746/@comment-4190137-20121217052241

Maybe we'll see a Freya cameo. Hopefully...

Since as you said, they kept Odin and Balinor's returns secret for so long.