By Nicole Rojas (staff@latinospost.com) | First Posted: Jul 08, 2013 12:13 PM EDT

Fans are eagerly waiting for the return of the magical world of "Once Upon a Time" and its spin-off series "Once Upon a Time in Wonderland." While details of the spin-off have remained rare, some scoop has managed to make its way onto the web about the upcoming third season of "Once."

Earlier this month, series co-creator Adam Horowitz gave fans something to be excited about when he revealed the premiere script cover on his Twitter account. The premiere, which does not have a set air date, is entitled "The Heart of the Truest Believer." Speculation has run rampant over who the title could refer to but one thing is for certain, the premiere is sure not to disappoint.

Now, TV Guide's William Keck is revealing some new details ahead of the cast's appearance at this year's San Diego Comic Con. The cast is scheduled to appear in their own panel on Saturday, July 20. According to Keck, fans "might just get to meet Tinker Bell." He adds, "With the action moving from Storybrooke to Neverland in Season 3, Peter Pan's favorite fairy is expected to play a significant role. In keeping with 'Once' tradition, viewers will discover that Tink shares a surprising connection to one of the regulars."

While news of Tink's arrival is exciting, the question remains-will she be a good fairy or will she take on a darker side like Peter Pan has in the "Once" universe?

With the cast moving to Neverland in the third season, fans will not only get to meet Tink but a slew of other Neverland fairytale characters. As earlier reported, ABC is casting the roles of Peter Pan and Rufio (the teenage leader of the Lost Boys). According to TVLine, Rufio is described "as forever youthful, mischievous and harboring a penchant for clever games-but behind his playful façade lurks a petulant child twisted enough to destroy anyone who crosses his path."

Sounds like a lovely pair of characters.

The network has yet to release information on the show's season premiere date, however, it is expected to return on Sundays.

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