Concept artist and illustrator Vance Kovacs has posted some of the early concept artwork he created for Batman v Superman: Dawn of Justice
Death of Superman
Superman #75//Dan Jurgens/I - J/ Comic Art Community GALLERY OF COMIC ART
#Superman #Fan #Art. (THE DEATH OF SUPERMAN TP NEW EDITION) By: DAN JURGENS & JERRY ORDWAY. (THE * 5 * STÅR * ÅWARD * OF: * AW YEAH, IT'S MAJOR ÅWESOMENESS!!!™)[THANK U 4 PINNING!!!<·><]<©>ÅÅÅ+(OB4E)
The Death of Superman by Tom Fleming (1992)...I've actually witnessed this day and live with the aftermath everyday still.
Superman vs Doomsday, Death of Superman by TylerKirkham on DeviantArt
Superman & Supergirl
Lois & Clark
Death of Superman by ~a1040280 on deviantART
The Death of Superman
You crack me up, kid!
DEATH OF SUPERMAN by Spidermonkey23