Exclusive: Lucy Lawless Heading to Agents of S.H.I.E.L.D.

The world of Agents of S.H.I.E.L.D.is about to get even more geektastic.

Former Xenastar Lucy Lawless is heading to ABC's super series in Season 2, TVGuide.com has learned exclusively.

Exclusive: Agents of S.H.I.E.L.D. meets Agent Carter in Comic-Con poster

In true Marvel fashion, details on her role and how long she'll be sticking around are being kept under wraps. (Call off the Level 7 snipers now, please!)

Lawless is also known for her roles on Spartacus, Battlestar Galacticaand Parks and Recreation.

Marvel's Agents of S.H.I.E.L.D. returns Tuesday, Sept. 23 at 9/8c on ABC. Hit the comments below with your guesses on her character!