Superman, by Joshua Williamson and Dan Mora, has been one of the most intriguing books in DC’s All-In publishing initiative.

Dawn of Justice kept one side of the monstrous Doomsday ambiguous, but the TV series Superman & Lois provided a clear answer.

Due to the never ending nature of comic books, it's completely ... on the interpretation. Still, Doomsday has always been unrelenting, leaving Superman to wish he could defeat him forever.

Celebrate Superman Day April 18 with special editions and exclusive content.

In Superman #22, the Man of Steel must protect his greatest enemy from an even bigger threat. Imagine needing to save the ...