Grant Gustin Poised to become 'Glee' Series Regular

What's great news for Glee flirt Grant Gustin might not be very good news for fans from the show's Blaine and Kurt.Gustin, who plays Dalton Academy Warbler Sebastian, informs The Hollywood Reporter that he'll continue being "out and inInch around the current third season from the Fox musical by having an offer "up for grabsInch to become a series regular for Season 4.While Sebastian has made an appearance in 2 episodes so far, he's already set his sights on Darren Criss' Blaine, challenging Kurt (Chris Colfer) for his boyfriend's affections.Could there become more trouble ahead for that on-screen couple? Not too fast, Gustin states. By the Michael Jackson tribute episode -- now looking for Tuesday, Jan. 31 -- Sebastian will awesome his romantic quest for former Warbler Blaine."By the Michael Jackson episode, he's slightly separating themself [from Blaine] and it is less flirty and much more of the dick," he states. "He isn't always going after Blaine any longer. He isn't as in it because he continues to be previously. Blaine's not giving him anything to utilize and he's most likely just a little tired of it and progresses.InchFor exactly what the future holds for his character, Gustin noted that he's "available to the conceptInch of the Sebastian-Dork Karofsky (Max Adler) pairing. "It would be fun," he states, adding that he'd like to follow along with in Blaine's actions and transfer to McKinley High as Criss' character did this year.InchBecoming a Warbler is completely bad-ass however i would not be surprised if sooner or later he switched [to McKinley] like Blaine did," Gustin states. "By the Michael Jackson episode, he's still a Warbler."Glee returns Tuesday, Jan. 17 at 8 p.m. on Fox. The Hollywood Reporter