Forget Batman vs. Superman or Captain America vs. Iron Man. In James Mangold's moving tribute to X-Men's Wolverine, "Logan," it's all Logan vs. Logan. He strips away the spandex, the posse and the chaos, distilling the story down to the essence of the man, Logan, also known as Wolverine, also known as James Howlett. What's left is the agony and the ecstasy of mutanthood, which star Hugh Jackman expresses as physical and mental torture. Logan's greatest opponent is, and always has been, himself.