AN OVERSIZE ANNIVERSARY ISSUE CELEBRATING THE MAN OF STEEL AND HIS LEGACY! Superman #850! A special oversize issue celebrating Superman and his super-legacy! Since the start of Superman #1 and Dawn of DC, a mystery has been brewing in Metropolis. Now that mystery's secrets are unleashed, with startling revelations that set up a massive story in 2024! The Chained continues as Superman battles against an overpowered new menace who wants to destroy Metropolis! Superman must decide if he is willing to follow Lex's tragic orders to take the Chained down! And Lex Luthor is visited by a blast from his past. One that will impact his future forever.