Days of Darkness Dawning - The Ex-Mutants battle one of their own, the beautiful Shannon, and she's more powerful than ever! Can the team survive or will she rip them apart with her new powers? And Arrow leads a new team, the Kill Corps, but it isn't long before they all turn against him! Also, Gravestone must stop his old nemesis, Shakra, from opening a door linking Graveworld to the mutant city of Sluggtown!