Peter J. Tomasi is an American comic book editor and writer, best known for his work for DC Comics. Description above from the Wikipedia article Peter Tomasi, licensed under CC-BY-SA, full list of contributors on Wikipedia.
The Death of Superman and Reign of the Supermen now presented as an over two-hour unabridged and seamless animated feature. Witness the no-holds-barred battle between the Justice League and an unstoppable alien force known only as Doomsday, a battle that only Superman can finish and will forever change the face of Metropolis.
Damian Wayne is having a hard time coping with his father's "no killing" rule. Meanwhile, Gotham is going through hell with threats such as the insane Dollmaker, and the secretive Court of Owls.
When a hulking monster arrives on Earth and begins a mindless rampage, the Justice League is quickly called in to stop it. But it soon becomes apparent that only Superman can stand against the monstrosity.