On Halloween night at a horror theme park, a costumed killer begins slaying innocent patrons who believe that it’s all part of the festivities.

Just when his time under house arrest is about to end, Scott Lang once again puts his freedom at risk to help Hope van Dyne and Dr. Hank Pym dive…

As the Avengers and their allies have continued to protect the world from threats too large for any one hero to handle, a new danger has emerged from the cosmic…