Batman/Superman Annual (2020-) #1

On a dark and stormy night in the fifth dimension, two mortal foes meet to settle an age-old question once and for all: In a fight between Batman and Superman, who would win? The combatants? Mr. Mxyzptlk and Bat-Mite. And in this battle for the ages, you will find out if a fifth-dimensional imp can bleed. It�s all in this, the ultimate slugfest between the Dark Knight and the Man of Steel-plus a whole lot of magic!