Disney's Frozen franchise has become a cultural juggernaut, with its empowering anthems, sisterly bonds, and that earworm "Let It Go" turning Elsa into an icon of self-acceptance. But rewind the clock ...

Over the last few weeks, fans have spontaneously evolved a thriving sub-fandom around an alternate universe (AU) version of Elsa, the tormented snow queen, in which she has the ability to control the ...