Thread:SeanWheeler/@comment-1038387-20130430064156/@comment-1038387-20130430152500

It's an intercompany crossover, which means normal multiverse is useless. It's, in most cases, the most recognizable version of the character, a non-canon (or shady-canon) tale of the (then-current) mainstream version, or, in this case, the SBG-continuity. There are many crossovers, not just with Marvel, but with Dark Horse, Image and whatnot. A 70s Superman/Spider-Man crossover is Earth-One, not the same universe as a 90s Superman/Aliens story. Besides, we want to get rid of the "Earth-Whatever" fanon names.