Comic books, in general, have always been rife with continuity errors and plot holes galore, but when She-Hulk comes into contact with citizens hailing from an alternate Earth, the reason for all of Marvel's issues immediately goes away! Having secret doppelgängers roaming around the Marvel Universe acting all out of sorts isn’t too big a deal on its own, but when they interfere with the way characters are presented in continuity, it becomes something else entirely.
Brought to readers’ attention in 2007’s She-Hulk #21, by Dan Slott, Ty Templeton, and Rick Burchett, this issue sees a recently de-powered She-Hulk aka Jennifer Walters as she deals with a situation that’s as odd as it is revealing. As seen at the beginning of the issue, readers are greeted by an inexplicably green and mean She-Hulk as she effortlessly takes down the Spider-Man villain, Rhino, but as the story continues, it’s made abundantly clear that this isn’t the same hero fans are familiar with.
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Outed to be an imposter of sorts after she can’t name the current President of the United States (among other reasons), this version of She-Hulk is soon taken into custody to get to the bottom of her random appearance. Revealing that she’s not of this dimension and that there’s a whole slew of plot hole-causing heroes and villains being accosted for doing the same thing as well, these “Alphas” are shown to be members of Earth-A, an alternate reality where de-powered or “normal” versions of iconic Marvel superheroes and villains reside.
Part of a program run by an Earth-A company called Interlocking Technologies, this business offers people “vacations” of sorts to Marvel’s main universe,
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