"Once Upon a Time" season 4, episode 7 spoilers reveal that Emma will finally take down the Snow Queen. The winter finale hints of more villains to descend upon Storybrooke.

The synopsis by ABC reveals "Once Upon a Time" season 4, episode 7 spoilers: "Emma (Jennifer Morrison) captures the Snow Queen (Elizabeth Mitchell) and interrogates her at the sheriff's station. But the she uses her prior knowledge of Emma to try to persuade her into thinking that they are more alike than she could possibly imagine."

The network also released a promo video and Cartermatt noted that the main focus of the video is Jennifer Morrison's character and the Snow Queen.

"Ultimately, the thing that you have to remember here is that this woman, otherwise known as Ingrid back in Arendelle, knows much more about Emma than she is letting on," the website said in its"Once Upon a Time" season 4, episode 7 spoilers. " These two did share a past together, but one that Emma is completely unaware of."

Meanwhile, a tweet by actress Victoria Smurfit had OUAT fans in a bunch as she hinted of another Disney villain visiting Storybrooke.

"Super excited about playing Cruella for such an iconic show as @OnceABC," she tweeted. Although the actress deleted the post, TVLine already captured a screenshot of the post, said IB Times.

One of the most iconic villains in Disney universe, Cruella De Vil was introduced by the novel "The Hundred and One Dalmatians" by Dodie Smith in 1956. Disney later adapted the novel into an animated film "101 Dalmatians" five years later and tapped Betty Lou Gersen to voice the character. In 1996, Oscar winner Glenn Close had fun with the character in the live-action movie in 1996.

Earlier reports also revealed that Maleficent will be making a comeback to Storybrooke as Kristin Bauer van Straten ("True Blood") is set to reprise her role in the episode which will be shown next year.