A Brothers Journey will be an extra on the Thor 2 DVD/Bluray. Both Chris Hemsworth (Thor) and Tom Hiddleston (Loki) will be commenting on their characters and why they're so endearing to the Marvel fanbase.
Loki's Dirty Whispers - Submission: “Don’t cry out like that, darling. I shall bite your smooth skin if I please. I want to leave my mark upon you, so that every man who sees you shall know that you are mine, and mine alone.