When five women take part in a corporate hiking retreat and only four come out on the other side, Federal Agents Aaron Falk and Carmen Cooper head deep into the Victorian mountain ranges to investigate in the hopes of finding their whistle-blowing informant, Alice Russell, alive.
Thor is imprisoned on the other side of the universe and finds himself in a race against time to get back to Asgard to stop Ragnarok, the destruction of his home-world and the end of Asgardian civilization, at the hands of a powerful new threat, the ruthless Hela.