Once Upon A Time ended its third season by confirming that Elsa from Frozen is going to be a character on the show next season.

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But what her role in Storybrooke will be and how she'll fit in is a mystery.
But one thing is for sure: Girl is hot stuff.
1. Some fans think this crossover is too early, and that it won't go over well.

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2. Others think it's gold, and that Elsa will breathe new life into Storybrooke.

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3. Others think Elsa's origin story might have older Disney roots than just Frozen.

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4. Or she might have a history in The Enchanted Forest that we didn't see in the movie.

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Though the producers have hinted we might get to see Arendelle.
5. It's possible she was imprisoned by Rumplestiltskin.

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It wouldn't be the first time he's done something this shady.
6. Or maybe even asked Rumple to lock her away.

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Elsa does essentially imprison herself in the movie so she won't hurt others.
7. Some feel Elsa will end up being a villain.

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8. Or may have sinister connections to other Storybrooke characters other than Rumple.

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9. Others think she'll be more complex, and not necessarily a villain.

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10. Some are hoping Elsa will find romance with a new character.

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JELSA.
11. Others hope she'll find romance with an established and beloved character

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ELSAN.
12. Some are predicting that True Love's Kiss won't be able to break Elsa's magic.

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It would definitely complicate things in Storybrooke.
13. It's possible Elsa's powers will lead to Regina playing the damsel in distress for once.

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14. Or Robin Hood will be the one who needs saving, and whoever can break Elsa's spell will be his real true love.

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Obviously, it's Regina. Come on.
15. Some are gunning for Olaf to make an appearance.

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And it's a definite possibility, according to producers.
16. And others are hoping Anna will — and some think she's been in Storybrooke all along.

17. Elsa could be the one to reveal Rumple's betrayal to Belle.

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18. The whole thing is actually just going to be a big musical cross-over!

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Ok, probably not, but we can dream.
19. There's one thing fans seem to be united on: We better get to hear "Let It Go."

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20. No matter what context it's in.

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