Once Upon A Time Season 3 Spoilers: Robbie Kay As Peter Pan, Ariel, Emma, Rufio Will Not Appear, Neal, And Robin Hood

"Once Upon a Time" season 3 has just premiered "Heart of the Truest Believer," and executive producers are sharing some spoilers regarding what's to come.

Regarding the much anticipated Peter Pan (Robbie Kay), co-creator Eddy Kitsis tells TVLine, "[Pan] is a twisted little s-t!"

"What we're excited about is you've got a 15-year-old [character] who may actually be 200 years old, so he has that wisdom, but he's also got the spunk of that kid who's still going to taunt you in the locker room."

And as mermaids are introduced in "Once Upon a Time" season 3, spoilers confirm that Ariel will not be as belligerent some are led to believe by the premiere.

"She's going to be different from what you saw in the premiere," says Adam Horowitz. "The spirit of Ariel is somebody who wants to see the world and experience [new] things... and that is definitely similar to our Ariel."

Ariel (JoAnna Garcia Swisher) is set to appear in episode 6 this season.

Meanwhile, despite Hook's charm, Emma may be too distracted to think about romance and dating at this moment.

"Right now, Emma is focused on getting Henry," says Kitsis. "She's not someone who lets her walls down - her heart's been broken too many times to be worried about 'dating' right now."

Not to mention Neal is very much alive and will "get back to Neverland" this season for Emma.

"There's a bit more of a wrinkle to their story that we'll delve into in Episode 3."

And despite earlier reports of Rufio being cast for "Once Upon a Time" season 3, spoilers confirm that due to the character being the property of Columbia and Sony Pictures, he will not appear on the series.

Instead, fans will see much more of Robin Hood, who will reportedly not only appear in the first half of season 3, but the second half as well.