The Avengers are light-years away in space, contending with the Builders! Thanos' marauders ransack the Earth, doing as they please! Who will stand in defense of mankind? Luke Cage! The Superior Spider-Man! Spectrum! The White Tiger! Power Man! And a mysterious figure in an ill-fitting Spider-Man Halloween costume! These unlikely heroes must assemble when no one else can, against the unrelenting attack of Proxima Midnight!