can someone please explain to me earth-one and earth-two of the DC universe from before? I tried reading it on the wiki but I can't seem to get it. if someone has the time please explain it lol. Like which one is the mainstream earth

@martinceld: Neither, I believe. Prime Earth should be the mainstream earth where the bulk of DC's stories take place. Earth One, Earth-2, and now Earth-3 (Crime Syndicate home planet), are all alternate versions of Prime Earth. There is also an Earth Prime which is basically the real world where Superman, Batman and the like are all comic book characters instead of real people. If you're interested in learning more about DC's multiverse I'd keep an eye out for Grant Morrison' Multiversity which starts this August.

@martinceld:

Pretty much what RaggedScarecrow said

Prime Earth-The real Earth, where all the main stories and considered canon

Earth 1-Alternate Earth, heroes are not as numerous. Seen in the Superman: Earth One, and Batman: Earth one graphic novels

Earth-2-Alternate Earth, different take on Prime Earth's superheroes, similar to the original Justice Society of America team. Green Lantern is Alan Scott, Flash is Jay Garrick, etc. As seen in the Earth-2 New 52 title.