NickToons Jan 23, 2011 Iron Man Armored Adventures S1 Ep 12 Masquerade

When Obadiah starts acting strangely, Iron Man investigates and discovers that "Obadiah" is being impersonated by a villain named Madame Masque. When she sets her sights on Iron Man, she begins to frame Iron Man for various crimes. It is revealed that Masque is actually Stane's own daughter, Whitney, using a stolen invention of Stark's deceased father to strike out at her own for neglecting her.