Avengers Assemble Season 3 Episode 15 - A Friend in Need Episode Title:A Friend in Need.Episode Description:Vision assists the Avengers in their fight against Cobalt Man. Afterwards, Vision takes friendship lessons from Thor who takes him to Asgard to show how his friends helped him in defeating Ulik, Harokin, Fenris Wolf, Fafnir, and Loki. After Ulik briefly breaks out, Vision ends up taken over by Ultron until Vision fights his control enough for Ultron to take control of the Destroyer Armor. When Ultron in the Destroyer Armor arrives on Earth, Vision must help the Avengers defeat Ultron.