Figure out who his boss is yet, angel?

we see Loki interacting with a mysterious shrouded figure — a character credited as “The Other” in the liner notes. In the post-credits sequence, we see the Other addressing his boss. He says that the Avengers had proven that Earth could be a real threat. Specifically, he says that launch another attack “would be to court death.” Cut to: The Boss, a man with a big purple head, turning to the camera and smirking. The End.

Comic book newbies, allow me to introduce you to Thanos: An insanely powerful alien who is obsessed with Death. That’s “Death” with a capital-D: Thanos took nihilism to a new level by falling in love with the literal personification of death, usually rendered as an attractive, robed woman with a face that occasionally turns full Skeletor.