lokiilaufeyson

Loki being shockingly polite.

Bonus (Loki being polite even as Odin):

adamcansuckme

Mama Frigga raised no rude ass boy

stephrc79

he was kinda rude

the-caps-ass

Loki: *taps Thors shoulder politely* excuse me

Thor: hm?

Loki: *stabs him*

Source: sylvia-tilly