^^ If they were going to anytime soon, that would be the time. The fade to black as they were both saying, "All day," definitely had a sexy vibe feel to it. Chances are it was nothing like that since from the promo it looks like it picks up where it left off and Maggie is there, but it's still nice to imagine for now.
Its so mean that Shonda knows a lot of people want Merlex so she keeps teasing us but no pulling the trigger so to speak yet.