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Marvel's multiverse goes way further back -- in 1970, Avengers #85 introduced the alternate universe Squadron Supreme, for example. There's a ton of classic SF
by BryantD 2y ago
Marvel's multiverse goes way further back -- in 1970, Avengers #85 introduced the alternate universe Squadron Supreme, for example. There's a ton of classic SF along these lines as well. H. Beam Piper's Paratime stories come to mind.
- kagakuninja 2y agoAnd it was probably heavily influenced by DC Comics alternate earths. Earth-2 was introduced in 1961.