Iron Man: Armored Adventures S01E02 - Iron, Forged in Fire Part 2

The Mandarin has trouble with his step-son, Gene Khan, while trying to retrieve the rings. Tony Stark as Iron Man battles one of his inventions, that Obadiah transformed into a weapon. The Mandarin steals the ring of Obadiah, and fights Iron Man. Back in the Mandarin's lair it is revealed that Gene Khan has become the Mandarin.