20th Century Fox have released a highlight real from the "X-Men X-Perience" event, a series of X-men: Days of Future Past world premieres at various cities around the globe, including New York, London, Moscow, Singapore, San Paolo, Beijing and Melbourne. The X-Perience featured several of the stars X-Men: Days of Future Past, including James McAvoy, Michael Fassbender, Hugh Jackman, Ian McKellen, Patrick Stewart, Peter Dinklage, Jennifer Lawrence, Ellen Page, and Fan Bingbing. The premiers took place in the span of one week, leaving some of the stars so tired that they actually forget which city they're in. In X-Men: Days of Future Past, the X-Men send Wolverine to the past in a desperate effort to change history and prevent an event that results in doom for both humans and mutants. X-Men: Days of Future Past opens in theaters May 23.