Why do you assume any of that? Barry just never apparently heard of Supergirl. If your world had a Superman, you'd probably be taken back to hear that one you're visiting had a Supergirl instead.Or maybe Krypton hasn't exploded yet in the Arrowverse. Or maybe either Jor-El or Astra managed to prevent it somehow, and Kal-El and Kara are both living out their lives on Krypton.
Any post now, Christopher's gonna come in and school this guy on how depictions of parallel universes have always been varied and inconsistent and completely dependent upon the needs of the plot at hand, citing everything from Sliders to TNG's "Parallels", so it's silly to expect rigid rule-following in such an inherently absurd field of speculative fiction. Yup, Christopher's really gonna unload on this guy!Okay, so how come Earth-2 has doppelgangers of so many people from Earth-1 while Supergirl's Earth doesn't (except for Mariah Carey, Alexandre Dumas, and the like)?
You forgot the Obligatory Superman Radio Show Example.Any post now, Christopher's gonna come in and school this guy on how depictions of parallel universes have always been varied and inconsistent and completely dependent upon the needs of the plot at hand, citing everything from Sliders to TNG's "Parallels", so it's silly to expect rigid rule-following in such an inherently absurd field of speculative fiction. Yup, Christopher's really gonna unload on this guy!
... Wait, what?!
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Any post now, Christopher's gonna come in and school this guy on how depictions of parallel universes have always been varied and inconsistent and completely dependent upon the needs of the plot at hand, citing everything from Sliders to TNG's "Parallels", so it's silly to expect rigid rule-following in such an inherently absurd field of speculative fiction.
That said, Earths 1 and 2 make for a very small sample from which to infer the rules of the multiverse. Just because they're so similar in some ways doesn't mean that the next Earth is going to be.
IMHO it is debateable, that Earth-1 and Earth-2 are closer than Earth-1 and Earth-SG. Earth-1 and Earth-SG both look very similar to Earth-RL (a.k.a. the real world) while Earth-2 has this retro "transistor punk" thing going on.
Yeah, that's the problem with parallel universes in fiction. So many of them have the same people but wildly different histories (like Star Trek's Mirror Universe or Fringe's Other Side or most of the Sliders worlds), which is rather hard to believe. If their histories went that differently, then the same individuals wouldn't have met, or at least would not have procreated at the same time, and so different children would be born, and within a few generations the worlds should have mostly different inhabitants. The thing is, the fun of alternate-reality stories is letting the actors play alternate versions of their characters, so it's always going to be a popular trope even though it doesn't make logical sense.
But maybe there are different parameters for "closeness" between parallel realities, and similarity of sentient inhabitants carries more cosmological weight than similarity of material objects and events. Maybe there's even some sort of probabilistic bleed-through between universes that influences the same people to be born even when events go differently.
Like "Darmok" in TNG... the whole inability to talk to each other is silly...but the acting and the general story of a real "seeking out new life & new civilizations" and living up to Star Trek ideals makes me forget the "unrealisticness"
There is an Astra in the Superman universe? Seriously? Why don't I know about this?Or maybe Krypton hasn't exploded yet in the Arrowverse. Or maybe either Jor-El or Astra managed to prevent it somehow, and Kal-El and Kara are both living out their lives on Krypton.
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