The other major story the film lifted from was The Death of Superman, the 1992 mega-event that saw DC (temporarily) kill off the Last Son of Krypton.
The most notable was The Dark Knight Returns, Frank Miller’s 1986 take on an aged Batman taking on the Man of Steel in a gritty mission of vengeance.
For Batman v Superman: Dawn of Justice, Zack Snyder took inspiration from all parts of the two titular heroes past, recreating famous graphic novels in various ways – from individual shots to entire arcs.
There’s particular attention paid to Doomsday’s bone protrusions, a key part of his comic book look that actually serve as his key weakness.