Paramount has released a new four-minute extended clip and featurette for Jon M. Chu’s upcoming sequel G.I. Joe: Retaliation.  The clip showcases the an action sequence with a shit ton of ninjas that takes place on the side of a mountain, while the featurette focuses on the numerous vehicles and weapons that are used in the film.  The sequel’s story finds the Joes disbanded and outnumbered as they must square off against not only the Cobras, but also threats within their own government.

Hit the jump to watch the clip and featurette, and if you missed any of Steve’s set visit coverage be sure to check out 25 things to know & video blog recap, along with his interviews with Dwayne Johnson, Byung-hun Lee, Ray Park, Elodie Yung, D.J. Cotrona, producer Lorenzo di Bonaventura, and Chu.  G.I. Joe: Retaliation opens in 3D on March 28th.

Featurette via Fandango.

Here’s the official synopsis for G.I. Joe: Retaliation:

In this sequel, the G.I. Joes are not only fighting their mortal enemy Cobra; they are forced to contend with threats from within the government that jeopardize their very existence. The film stars D.J. Cotrona, Byung-hun Lee, Adrianne Palicki, Ray Park, Jonathan Pryce, Ray Stevenson, Channing Tatum with Bruce Willis and Dwayne Johnson. Directed Jon M. Chu, and produced by Lorenzo di Bonventura and Brian Goldner, from screenplay by Rhett Reese & Paul Wernick based on Hasbro’s G.I Joe characters.