Dr. Strange hears a disconcerting scream from the Ancient One's chamber and investigates. Information he gathers leads him into the Ancient One's mind where he must face the evil villain known as Nightmare.
After a ship of deadly bacteria crashes and sinks in the ocean Mar-Vell is ordered by Yon-Rogg to not allow any interference with the release of the bacteria in order to prove his loyalty to the Kree. The rocket's crash also brings Namor to the scene in order to stop death from destroying his ocean.