Fox has released a new trailer and poster for the upcoming limited series event 24: Live Another Day.  While the previous marketing materials simply teased the return of Kiefer Sutherland’s Jack Bauer, this new trailer shows off quite a bit of footage and delves into the premise for Bauer’s 12-episode return.  After living off the grid ever since the events of the 24 series finale, Bauer resurfaces in London in order to thwart an assassination attempt on the President of the United States, who just so happens to be James Heller (William Devane).  It’s funny to see the return of the show’s signature multi-panel screen and Bauer looks to be up to his old shenanigans once again, but I’m interested to see how the limited run of episodes will impact the storytelling.

Hit the jump to watch the trailer and to check out the official poster.  The show also stars Mary Lynn Rajskub, Kim Raver, Benjamin Bratt, Tate Donovan, Yvonne Strahovski, Stephen Fry, and Michelle Fairley.  24: Live Another Day premieres on Fox on May 12th.

Here’s the official synopsis for 24: Live Another Day:

Set and shot in London, the suspenseful event series once again will follow the exploits of heroic agent JACK BAUER (Sutherland). Four years ago, Jack was a fugitive from justice. Now an exile, he nevertheless is willing to risk his life and freedom to avert yet another global disaster. Tracking Jack are CIA head STEVE NAVARRO (Benjamin Bratt, “Law & Order”); CIA agent KATE MORGAN (Yvonne Strahovski, “Dexter”), who is both resourceful and ruthless; JORDAN REED (Giles Matthey, “Jobs”), a smart and sophisticated CIA computer tech; and ERIK RITTER (Gbenga Akinnagbe, “The Wire”), a sharp, strong and arrogant field operative. Calling the shots is JAMES HELLER (William Devane, “The Dark Knight Rises”), now President of the United States. Heller is flanked by his Chief of Staff MARK BOUDREAU (Tate Donovan, “Damages”), who is married to Heller’s daughter – Jack’s former flame, AUDREY (Kim Raver, “Revolution”). Meanwhile, a hardened CHLOE O’BRIAN (Mary Lynn Rajskub, “Firewall”), Bauer’s CTU confidante, is now working underground with high-profile hacker ADRIAN CROSS (Michael Wincott, “The Crow”). Guest stars on 24: LIVE ANOTHER DAY include Golden Globe Award nominee Stephen Fry (“Alice in Wonderland,” BONES) and Michelle Fairley (“Game of Thrones”). The harrowing day will have Jack attempting to thwart an unthinkable terrorist attack that could change the world forever.