IT TURNS OUT there’s one indomitable opponent that even superheroes can’t overcome: Time. True, you wouldn’t know it from the likes of Arnold Schwarzenegger, 69, who played the Terminator in 2015 and still hopes for one more go as Conan the Barbarian, or Sylvester Stallone, 70, who reinvented the aging action hero with his Expendables franchise. In comparison, Hugh Jackman, 48, could ride Wolverine, his X-Men alter ego, for another 20 years. However, it turns out the hero, who hails from Cold Lake, Alta. – making him, with apologies to Capt. Canuck and Beaver Boy, the coolest Canadian superhero ever – is as susceptible to the tolls of aging as the rest of us. Like a boomer weekend warrior who needs to ice his sore joints after a game of…