A new meaning of "Ragnarok": Surtr alone destroys only Asgard.
The mythological Hela has one side of her body alive and the other rotting.
Spaceships should not be able to get into Asgard. It is a different kind of place.
I don't think humor is appropriate.
Might there be a connection between Valkyries and Amazons? (The Justice League trailer was shown.)
There was a scene during the credits and another at the end. The end scene was an anti-climax.
Thor lost his hammer and an eye and is now King of the Aesir (not Asgardians) but in a spaceship, not in Asgard.
Odin is dead but can still intervene from beyond?
Banner is permanently Hulk?