Hook (Colin O'Donoghue) and Regina (Lana Parrilla) are set to team up for some adventures in the next few episodes of ABC's Once Upon a Time.

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Once Upon a Time star Jennifer Morrison (who plays Emma) and showrunners Edward Kitsis and Adam Horowitz appeared at New York Comic-Con on Friday and discussed what's ahead for the fantasy series.

Some interesting nuggets of information were released at the panel, including Hook and Regina teaming up at random points.

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It was revealed that episode 4 will feature a team-up between Hook, Regina and Robin Hood (Sean Maguire), though the reasoning for this will not be revealed until this Sunday's episode.

The showrunners also revealed there is "an adventure with Hook and the Evil Queen" in the first half of season 5.

As for Emma's ongoing struggle with darkness, Morrison spoke to the dichotomy of being the Savior while also inhabiting such darkness.

Morrison noted it's "complicated," because "Emma is still the savior - it's not that she's not Emma. She's the savior with darkness in her... a cauldron of constant conflict. At certain times the dark is winning and sometimes the light is winning . . . The struggle that she's going through internally is very real and very intense and it's been a lot of fun to play."

Emma's contradictions will be apparent as she tries to win the trust of both Hook and Henry (Jared Gilmore).

Once Upon a Time airs Sundays at 8 p.m. ET/PT on ABC.