As “Once Upon a Time” returns to ABC for its seventh season, the residents of the enchanted forest face their greatest challenge yet as the Evil Queen, Captain Hook and Rumpelstiltskin join forces with a grown-up Henry Mills and his daughter, Lucy, on an epic quest to bring hope to their world and ours. Creators Edward Kitsis and Adam Horowitz (“Lost,” “Tron: Legacy”) invite you to take part in the journey as new fairy tale characters and old search for true love, find adventure and take sides in the ongoing struggle of good against evil.