'Marvel's Agents of S.H.I.E.L.D.' Season 2 Premieres Tonight, Lucy Lawless Debuts as Isabelle "Izzy" Hartley

Marvel's Agents of S.H.I.E.L.D. kicks off its second season tonight.

The second season of Marvel's Agents of S.H.I.E.L.D. premieres at its new time on Tuesday, September 23 at 9 p.m. ET/PT on ABC.

In the episode, titled "Shadows," Coulson and his team are now wanted fugitives with limited resources -- but that's not stopping them from keeping the world safe from powerful and unseen threats everywhere. However, with new members they hardly know, will S.H.I.E.L.D. ever be trusted again?

Watch a sneak peek video below: