Model 51 piggybacked off Iron Man's other nanotech armors (like the Bleeding Edge suit) as well as other modular designs, resulting in a suit that can be weaponized and altered in pieces.

Narrator: If you look at Iron Man's first suit, the Mark 1, and compare it to the hero's nanotech suit from "Avengers ... version of the Mark 1 with epoxy armor shells, flexible urethane, leather ...

The genius, billionaire, playboy, philanthropist and illustrious Iron Man is amongst the many Heroes in Marvel Rivals' super-powered Duelist roster. Sporting his state-of-the-art nanotech armor ...

His intellect enabled him to build a fleet of high-tech armor ... However, Iron Man is the one who performs the best against him; equipped with a nanotech suit, the armored Avenger even managed ...