Before you go any further, this post is full of spoilers so run away if you are fanatical about having a surprise in your mailbox.
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Funko just sent out a hint saying one of the new molds is in the picture below:
To zoom in up close, you get to see that the character is Ben Kenobi which is a new mold but not exactly a new character (although if Kenobi can say Darth Vader killed Anakin Skywalker then I guess Funko can say Ben Kenobi and Obi Wan Kenobi are different people too)