Image Credit: NBCUniversal Wicked fans knew this day would come - the end of the Yellow Brick Road. As we approach the release of Universal Pictures' Wicked: For Good, rumors about the second movie's conclusion have already spread, and some fans are wondering whether there is a post-credits scene after the film. Co-stars Cynthia Erivo and Ariana Grande, who play Elphaba and Glinda, respectively, have been hard at work over the past two years promoting both Wicked films.