Below the image is a spoiler if you're interested in reading some of the plot around this new armor.
The film, which stars Robert Downey Jr., Ben Kingsley and Don Cheadle, is scheduled to hit theaters on 3 May 2013.
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The Extremis-enhanced bad guys under direction of Ben Kingsley’s Mandarin villain are going to be too much for Tony to handle on his own, so he thinks ahead, thinks big and has a plan. Tony’s about to go out and fight some bad guys when he mentions the Mark XLVII to Pepper Potts. Pepper asks what happened to the other forty and Tony just smiles.
From the cockpit of Mark XLVII Tony is able to control multiple armors in battle. We over here at LR have been vaguely aware of an action scene where Tony was going to control multiple Iron Man suits (presumably they look similar to distract his enemies as to the location of kill-able Iron Man Prime), but the number 40 seems…awesome. 40 Iron Men.