Iron Man Prototype appears to boast an array of articulation similar to that of a Marvel Legends figure, and is accompanied by a pair of interchangeable non-armored hands, snap-on armor, and a removable helmet. The red and gold Prototype armor is much sleeker than the Mark I armor, the latter of which was a rough draft with a life-saving pacemaker that enabled Tony Stark to persevere against grave injury and capture in Afghanistan. The armor provides Tony Stark with vastly augmented strength, near-invulnerability, and an arsenal of advanced weaponry including missiles and repulsor blasts.