Prologue

Following the events of Ragnarok, Thor decides to bring his fellow Asgardians back to Earth- including his brother, Loki.

When Thanos hears of Loki's betrayal, he sends his best soldier to bring him back. Thor seeks the help of his friends, the Avengers, but they aren't too keen. Will they agree, or will Loki be lost again?

And who is this man in a brown suit, who looks at the witch with such soft eyes?