Batman/Superman Vol. 4: Siege

It’s the Man of Steel’s worst nightmare: an obsessed villain who not only knows all of Superman’s secrets, but is also willing to kill anyone who has ever stood by him in order to destroy his true target.
 
…It’s Superman’s Joker.
 
It falls to Batman to track down this murderous madman, but with no clues left behind and no leads to follow, will this killer outwit the World’s Greatest Detective?
 
Writer Greg Pak (ACTION COMICS) and artist Ardian Syaf (BATGIRL) add a deadly new name to Superman’s Rogues Gallery…one that will test Superman’s strength and Batman’s mind equally! Collects BATMAN/SUPERMAN #16-20, BATMAN/SUPERMAN ANNUAL #1 and BATMAN/SUPERMAN: FUTURES END #1!

Greg Pak is an American film director/comic book writer, known for his work on books published by Marvel Comics, which include Incredible Hulk, Incredible Hercules and the crossover event World War Hulk, and more. He is a graduate of Yale University, where he was a member of the Purple Crayon improv group, and studied history at Oxford as a Rhodes Scholar and studied film at New York University. His student film, Fighting Grandpa, won the Gold Medal at the 25th Student Academy Awards. He is currently writing BATMAN/SUPERMAN and ACTION COMICS for DC Comics.