Once Upon a Time is a couple of episodes into the back half of Season 4, and the Queens of Darkness are causing trouble. Maleficent (Kristin Bauer van Straten), Ursula (Merrin Dungey), and Cruella De Vil (Victoria Smurfit) have joined forces with Rumplestiltskin (Robert Carlyle) and they're determined to find their happy endings even if they don't deserve them. Their arrival has also stirred up the past. We've learned that back in the Enchanted Forest days, Mary Margaret/Snow White (Ginnifer Goodwin) and Charming/David (Josh Dallas) had an encounter with the villainous trio and it did not end well. Specifically where Maleficent is concerned.