Iron Man Mark V is a portable armored suit used by Tony Stark in Iron Man 2. Also known as the “Suitcase Suit,” it is a compact, emergency version of the Iron Man armor that can be quickly assembled in a crisis. The Mark V plays a key role during the Monaco race attack, allowing Stark to survive and fight back with limited equipment. It represents a transitional design in the series, emphasizing mobility, speed, and practicality over heavy firepower.