He-Man and the Masters of the Multiverse / Tim Seeley, writer ; Dan Fraga, Tom Derenick, pencillers ; Richard Friend, Tom Derenick, inkers ; Matt Yackey, colorist ; Saida Temofonte, letterer ; Inhyuk Lee, original series and collection cover artist
"Originally published in single magazine form in He-Man and the Masters of the Multiverse 1-6."
"Rampaging forth from the fires of Anti-Eternia, the scourge called the Anti-He-Man has been unleashed upon the Multiverse! From one dimension to another, he is seizing the power of Grayskull and destroying all who stand in his way -- and it will take more than just the Masters of the Universe to stop him. Enter the unlikeliest savior of all: Prince Keldor, the man who would be Skeletor! Rallying the He-Men of multiple worlds to his side -- each one different, each one strangely familiar -- he's on a reality-bending quest to save each Castle Grayskull and Eternia from this infernal foe Can this band of legendary warriors put aside their differences and unite against a common threat to all existence? Or will Grayskull finally fall?" -- Back cover