A Yorkshire Terrier, competing in a televised singing competition, is separated from her owner by an opportunist dog pound worker.
Loki declares he wants to be an Avenger, so Iron Man decides to make Loki an "Avenger In Training." It's a great plan until Thanos arrives on Earth looking for Loki.
When Thanos steals the quantum tunnel, the Avengers embark on a mission to stop him from changing history.
