om·ni·verse \ ˈämnə̇ˌvərs, -və̄s, -vəis \ [plural -s] : a universe that is spatiotemporally four-dimensional.
There is our UNIVERSE, in it only one Earth exists (as far as we currently know).
Then there is the MULTIVERSE! It contains an infinite number of universes, each possibly different from our own.
Think of it as an infinite number of Earths...each just slightly different than ours.
Then there is the OMNIVERSE. It contains an infinite number of multiverses. *And the brain goes "BOOM" trying to multiply infinity times infinity...but it is really infinity to the power of infinity (∞ ∞ ).
"The Omniverse" is the collection of every single universe, multiverse, megaverse, dimension (alternate or pocket) and realm.
This includes not only the comic book universes of Marvel Comics, but also DC Comics (...with its " DC Rebirth Multiversity )", Aspen Comics, Millarworld Comics, Image Comics, Dark Horse Comics, Archie Comics, Harvey Comics, Shueisha Comics, Boom Studios Comics, Rebellion Comics, Dynamite Entertainment, IDW Comics, Graphic India Comics, Darby Pop Comics, Vertigo Comics, Oni Press, Udon, Valiant Comics, and every universe ever mentioned or seen (and an infinite amount never mentioned or seen) including our own world.
Everything is in the Omniverse, and there is only one Omniverse (maybe). According to the Official Handbook of the Marvel Universe: Alternate Universes.
But it also includes every single literary work (From 11/22/63 by Stephen King to Zorba the Greek by Nikos Kazantzakis ), television show (From 10 Things I Hate About You to Zoey 101 ), movie (From A (1998 Kannada Film to Zzyzx (2006) ), urban legend (From 9/11 conspiracy theories to Yamashita's gold ), universe, realm, etc. EVER.
It includes everyone from Popeye to Rocky Balboa to Ronald Reagan to Romeo and Juliet to Luke Skywalker to Snoopy to Jay and Silent Bob, etc. This includes universes outside of American and European western comics, such as Dragon Ball Z, Naruto, Bleach, One Piece, Ghost in the Shell and etc, eastern comic book media.
The Omniverse is EVERY reality, including those published by all other companies. Even fan-fictions, cancelled works, mere fantasies, wishes of thoughts created by people, future comic book publishing companies and fictional universes yet to be published are considered part of the Omniverse; simply put, the Omniverse is EVERY version of reality and existence imaginable and some beyond our imagination...
'NUFF SAID!
*Some Original material borrowed from Marvel Wiki and expanded. All images are copyrighted by their owners. If I am missing a citation, please email me .