Originally Posted by
Gaius
Thought I'd post this here but I did a breakdown of notable comic character/concepts that begin to enter the PD starting with Superman and going for about 10 years. Relevant parts in bold.
2034 - Superman, Lois Lane, Krpyton, The Addams family
2035 - Batman, Jim Gordon, Namor, the original Human Torch, Metropolis, Batmobile, The Kents, Jor and Lara-El, Ultra-Humanite
2036 - Captain America, Robin (Dick Grayson), Bucky Barnes, Jimmy Olsen (radio show), Perry White (radio show), The Spirit, Joker, Lex Luthor, Captain Marvel, Catwoman (as "the Cat"), Green Lantern (Alan Scott), Flash (Jay Garrick), Doctor Fate, Hugo Strange, Hawkman and Hawkgirl, Justice Society, Gotham, Daily Planet
2037 - Wonder Woman, Steve Trevor, Aquaman, Archie Andrews, Jughead, Betty Cooper, Green Arrow, Penguin
2038 - Mary Marvel, Captain Marvel Jr, Two-Face
2039 - Alfred, Kryptonite, Batcave
2040 - Mister Mxyzptlk
2041 - Superboy, Black Adam
2043 - Scrooge McDuck, Black Canary
2044 - Riddler