1x7 - The Avengers: United They Stand

Mysterious earthquakes are caused artificially. The Avengers suspect prince Namor of Atlantis so they go under the sea to investigate. They discover Namor is not causing the earthquakes, but managed to discover that Attuma is using the Dynamo machine to create earthquakes in his plot to conquer Atlantis. Vision is jealous of Namor's kind and loving expression toward the Scarlet Witch.