Anyone who watches Star Trek (especially in the original series) will know that anyone wearing a red shirt was basically expendable. Despite the many dangers Captain Kirk and the others faced, it was inconceivable that they would actually die (which makes Kirk's exit in 'Generations' all the more annoying).
Red shirts, on the other hand, were The Expendables long before Sly Stallone coined the name for his films.
As writers, we have to guard against creating our own Expendables. Okay, in some stories, like thrillers, or murder mysteries, someone has to die. Already, this character is an expendable...he or she is redundant.
Or are they?
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