A missing Oscar statuette belonging to Pavel Talankin, a co-director and the star of the documentary “Mr. Nobody Against Putin,” turned up on Friday after it failed to arrive with passengers’ checked luggage aboard a Lufthansa flight from New York to Frankfurt, Germany, a day earlier, the airline said. Talankin, whose film won the Academy Award for best documentary feature in March, planned to fly on Wednesday with the trophy in his carry-on. But Transportation Security Administration officers at Kennedy Airport said the Oscar could be used as a weapon and insisted he check it, according to his co-director, American filmmaker David Borenstein, who posted about the incident on Instagram on Thursday in an effort to locate the lost prize. The staff gave Talankin a cardboard box in which to check the Oscar because he didn’t have another bag, according to Borenstein. When he arrived in Frankfurt, the box wasn’t at baggage claim.…