During an appearance on BBC Radio 1 in promotion of his upcoming film "X-Men: Days of Future Past," Hugh Jackman was handed the lyrics to "Wolverine: The Musical." Set to the tune of "Who Am I?," one of his major songs from "Les Miserables," Jackman sang such lines as, "Who am I? Am I a superhero with some claws? Or just an actor searching for applause?" Watch the performance above.