Scarlet Witch (recently cast in Captain America Civil War) is initially depicted as a mutant, born with the ability to alter reality in unspecific ways. Originally introduced as the daughter of the Golden Age superhero Whizzer, a retcon later established she and her twin brother Quicksilver were the children of X-Men villain Magneto. This parentage was their status quo until 2014, when a further retcon revealed that she and Quicksilver were in fact non-mutants who had been kidnapped and experimented on by the High Evolutionary, and then misled to believe that Magneto was their father.
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