NEW YORK (Reuters) - Princess Diana will be reincarnated as a mutant comic book superhero this autumn, according to publisher Marvel Comics. The character will appear in a five-series storyline called "Di Another Day" in Marvel`s "X-Statix" monthly comic, a spinoff from its popular X-Men, Marvel spokesman Brian Reinert said on Monday. "X-Statix" writer Peter Milligan said the late princess was "tailor-made" for the series because she is "someone famous for being famous." "At a glance, Diana may not resemble the flying, teleporting, lethally oscillating characters that populate my comic, but the strange power she exerts from beyond the grave...