21 Incredibly Obscure Marvel Movie Easter Eggs

6. Hugin & Munin - The Avengers

You need a really sharp eye to catch this one. After Thor kidnaps Loki from The Avengers' custody at the end of the first act, two birds are scarcely visible sat on the mountainous expanse where Thor and Loki land, flying away mere moments before the two hit the ground.

These two birds are without question supposed to be Hugin and Munin, Odin's two pet ravens who, in this instance, he's apparently using to keep a watchful eye over his sparring sons.

Due to the darkness of the scene and how quickly they fly away, they're not easy to spot without prior knowledge, but a brilliantly subtle allusion to Odin's omnipresent nature once you're in-the-know.