The Otherworld War TPB

Set during World War II, Captain America and Nick Fury join forces to take out the head of Hydra, Red Skull, as he has stolen a mysterious secret weapon. When the Nazis trigger a gateway to the Dark Dimension, Captain America and Nick Fury find themselves face-to-face with Dormammu, an extra-dimensional mutant, born to a race of powerful beings made of pure energy known as The Faltine.