Rebecca Rubin Film and Media Reporter The elements are finally coming together for Pixar’s “Elemental,” which is enjoying a rebound after a spark-less start at the box office. The animation adventure stumbled in its debut with $29.5 million domestically and $44.5 million globally, by far the worst opening weekend in Pixar’s 28-year history. Yet two months later, its ticket sales have slowly and steadily climbed to $148 million in North America and $425 million worldwide.