Board Thread:Spoilers!/@comment-26443838-20151009221621/@comment-25926288-20151014191457

ChocolatEyes613 wrote: If OUaT does go to the Underworld during the backhalf, the foundation for a storyline was there for a while. Unlike the Wicked and Frozen arcs, which came out of left field. Nope they did a small foreshadow of Zelena. So, not of nowhere.

Greek myth has the biggest foundation, but I guess it'll be weird with the other Olympians and other beings. The only Ones I sort of expect to see are the Fates.