YAHF: For Want of a Well Defined Self.

What if on that fateful Halloween night Xander dressed as Superman, but due to the iconic, quasi-mythic nature of the character the costume didn't... know which version of Superman to superimpose on Xander's id (for want of a better term) and ended up superimposing all known versions of the Last Son of Krypton (canon, alternate and homage) on Xander: powers, abilities, memories, knowledge and experience alike?

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