Hardcover omnibus collecting Uncanny X-Men #475-476, X-Men: Emperor Vulcan, Secret Invasion: War of Kings, X-Men: Kingbreaker, War of Kings: Darkhawk, War of Kings: Warriors, War of Kings, War of Kings: Ascension, War of Kings: Savage World of Skaar, Who Will Rule?, Nova #23-28, Guardians of the Galaxy #13-19, Marvel Spotlight: War of Kings and material from X-Men: Divided We Stand #2.
— Description from Comic Vine community (comicvine.gamespot.com · https://comicvine.gamespot.com/war-of-kings-omnibus/4050-95476/).