A storm is coming! The wicked ninja master Storm Shadow has arrived.. Assisted by his lieutenants, Slice and Dice, as well as an army of vile Red Ninjas, Storm Shadow seeks to destroy G.I. Joe once and for all! Thankfully, the likes of Jinx and Mutt (and Junkyard!) are here to stop him! This is an expansion. G.I. JOE Mission Critical is required to play. Features: ? Play as new Heroes – Jinx & Mutt/Junkyard ? Introduces a new boss – Storm Shadow! ? 2 new lieutenants – Slice & Dice! ? 12 footsoldiers – Red Ninjas