The trademark of a changing armor remained a constant in the animated series, with the first season featuring the hydro-armor and deep space armor, straight from the comics. The second season, however, was when the variant armors became a focal point of the series; the new modifications Stark made to his suit allowed it to shape-shift into different forms with specialized capabilities that could be called upon for the assorted situations he found himself in. The hydro-armor and space armors were incorporated into this mechanism, and more armors from the comics such as the stealth armor and Hulkbuster armor were introduced. The series also introduced an array of original situational armor designs, including: