'Once Upon A Time' season 4B spoilers: Emma siding with evil forces?

Is Emma Swan (Jennifer Morrison) transforming from Storybrooke's hero to an evil villain when "Once Upon a Time" season 4 returns next week? 

On the latest teaser for the upcoming season 4B episode titled "Darkness on the Edge of Town," Emma is seen walking hastily in the forest to face Rumplestiltskin (Robert Carlyle) while the three new villains, Maleficent (Kristin Bauer van Straten), Ursula (Merrin Dungey) and Cruella de Vil (Victoria Smurfit) are lurking in the woods. 

"For Cruella, Ursula and Maleficent to obtain their happy ending they must find someone whose soul can be moulded. Someone whose heart is brimming with blackness, who's ready to walk on the dark side," Rumple says in the trailer. 

It can easily be observed in the video that Emma is sporting a wicked grin when she is backed by the Queens of Darkness, while Rumple smirks in front of them. Does this mean that the new villains will use Emma to have their own happy endings and turn "The Savior" into one of their own? 

Meanwhile, spoilers claim that Emma's parents Snow White (Ginnifer Goodwin) and Prince Charming (Josh Dallas) have an interesting history with the Queens of Darkness. Does it have anything to do with Emma's new encounter with the evil trio? Can Snow White and Prince Charming help save Emma from turning to the dark side once they return to Storybrooke? 

Elsewhere, "Once Upon A Time" fans are looking forward to finding out if Regina (Lara Parilla) and Robin Hood (Sean Maguire) can still find a way back to each other's arms. Robin had to leave Regina and Storybrooke to go to the real world to save his wife Marian (Christie Laing) from the Freezing Curse cast by Ingrid (Elizabeth Mitchell). Is there any hope for the Evil Queen and Robin in the coming episodes?

"Once Upon A Time" season 4B begins on March 1 on ABC. 

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