Board Thread:Spoilers!/@comment-2153169-20151029202955

'''Any clues as to whether Once Upon a Time viewers are literally going to “hell” aka the Underworld, and if so, as a whole cast? Or is it possible it comes to Storybrooke? –Karen'''

Details — on any confirmed trip to Hell or otherwise – are scarce thus far, but this much I can share: For an early Season 5B episode, the ABC series is guest-casting the roles of a “dashing, strapping young man” who is “single-minded in his pursuit of his destiny: to be the greatest hero who ever lived” and a “plucky, 18-year-old female adventurer with a sly sense of humor and a tough, no-nonsense spirit.”

source: http://tvline.com/2015/10/29/arrow-season-4-felicitys-mother-returns-spoilers/

Sounds like Hercules and Megara are coming. 