S1E18
Come the Conqueror
⚠ Spoiler alert This recap gives away what happens in this episode.
Episode Summary & Review
Aired 2011-01-16 on Disney XD.
Kang launches a full-scale invasion of Earth using an army of robots, and in order to save New York, the Avengers are forced to unleash the Ultrons who serve as guards for the Negative Zone Prison.