True to its title, Thor: The Dark World presents the dark side of the largely wonderful Marvel Cinematic Universe.
Just about every major character from Thor returns for The Dark World, and that key group remains one of the stronger casts in the Marvel Cinematic Universe.
The coolest foreshadowing in Thor: The Dark World, though, is on more of a thematic level.
And in Thor: The Dark World, the Bifrost is fully restored with zero explanation as to how they fixed it.