We first met Sophia Di Martino's "Variant" in last week's episode of Loki, and it's since been confirmed - thanks to a listing on Disney+ and some official merchandise - that she's playing "Sylvie."
Those of you familiar with the comic books will be aware that Sylvie Lushton is also known as Enchantress. A mortal woman created by Lady Loki because she was curious to see what would happen if she made someone who believed they were an Asgardian, Sylvie would go on to join The Avengers.
However, as many of you suspected, it seems this version is, in fact, an amalgamation of characters.
When the God of Mischief says he refuses to refer to the "Variant" as "Loki," she's pleased because "that's not who I am anymore." Instead, she's created an alias for herself: Sylvie. Earlier in the episode, she also seems to take great offence to Loki referring to her as "a Loki."
As the episode progresses, Sylvie really doesn't give much away about herself, but does mention that her parents - who we're assuming are Odin and Freya - told her that she was adopted early on. However, after her mother died when Sylvie was young, she ended up teaching herself magic.
It's entirely possible that there's still more to be revealed about this mysterious new addition to the Marvel Cinematic Universe, but as of right now, we've been led to believe that she is indeed a Loki "Variant" who has chosen to move on from that moniker and instead given herself the name "Sylvie."
The plot thickens, eh?