Avengers Disassembled
S2, E15: An even more powerful Ultron resurfaces and takes control of Avengers Tower and Iron Man's Hall of Armors, leading to the destruction of the Avengers as we know them.

S2, E15: An even more powerful Ultron resurfaces and takes control of Avengers Tower and Iron Man's Hall of Armors, leading to the destruction of the Avengers as we know them.