Elseworlds: Elseworld takes a well-known character and plonks them into a potentially wildly different location and situation. This can add some freshness to a character which allows them to act a different way than normal canon might allow. DC Comics literally calls this 'elseworld', while Marvel tends to go with 'What if...'
Plot: The Earth has suffered an apocalypse, and Superman's trying to save Gotham City! But, is there anything worth saving?
Writer: Tom Veitch - Best known for being the writer being Star Wars resurgence with Star Wars: Dark Empire with Dark Horse Comics.
Artist: Frank Gomez, not much known on hi,. but has done a lot of work with DC
Positives of the comic: Superman battles Twin Clones of Hitler, the infamous 'Superman' I AM A MAN meme was born here