This sneak peek doesn’t make sense. Hook said he remembered Cora couldn’t remove Emma’s heart back in 2×9. Yet, Emma had just knocked out Hook cold in 2×9 before Cora tried to remove her heart. So how could Hook possibly remember Emma’s care-bear stare if he was unconscious at the time? Sounds like the writers are forgetting their own narrative.
Since there was a little bit of time between Emma knocking Hook out and Cora trying to take her heart, it’s possible that Hook could’ve come around in that time to see Emma blast Cora away without us being shown a shot of his reaction. He could’ve literally still been flat on the floor and just opened his eyes and turned his head, he’d have still been able to see what was going on. Plus Hook was up and about on his feet when it next showed Hook and Cora at Lake Nostos after Emma and Snow had returned to Storybrooke.
All magic comes with a price!
Keeper of Felix