I think Hook and Regina will team up again now. Since Hook – hates Rumple and Regina – Hates Snow again….Both Rumple and Snow are family now so logically it would be suited for Hook and Regina to team up.
I think this is a very likely scenario, but I also wonder if it will last the whole season. They’ve been using Hook a lot as just the guy-seeking-revenge; they need to develop him and since we're heading to Neverland at the end of the season they need to do it soon, or they risk Hook becoming a cliche.
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"He was a lot of things to me" "The only conclusion was love"