NEW YORK (AP) — “Avatar: Fire and Ash” launched with an impressive global take of $345 million, according to studio estimates released Sunday, securing the year’s second-highest worldwide opening and suggesting James Cameron may be on track for another major box-office success. More than a decade and a half after the debut of the original “Avatar,” the planet of Pandora remains a powerful force at the box office. The third entry in Cameron’s iconic sci-fi series generated $88 million in ticket