SUPER SECRET CRISIS WAR! THE GRIM ADVENTURES OF BILLY AND MANDY ONE-SHOT
One shot Super Secret Crisis War! tie-in.
Collected in Super Secret Crisis War! Volume 2.
— Description from Comic Vine community (comicvine.gamespot.com · https://comicvine.gamespot.com/super-secret-crisis-war-the-grim-adventures-of-bil/4050-76548/).
