Okay,
1) Ariel and Eric reunited JR returns home with the doppelgänger
2) The doppelgänger and Felix in the woods (near the cemetery perhaps?)
3) They try to release him across the town barrier to render him powerless but he reveals the switch, but do they believe (I sense another leap of faith)
4) Loose ends of Regina’s curse to tie up?
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Custodian of Graham's darts, Rumple's spindle and Robin's quiver