Melania is having trouble staying on the field at the Super Bowl weekend box office, where it is bracing itself for a steep decline and a possible tenth-place finish with $2.4 million, according to Friday returns. Others think it could finish slightly higher to come in ninth. Amazon MGM Studios put out a statement Saturday stressing that the first lady’s documentary, directed by Brett Ratner, is already a win in for cinemas after opening to a better-than-expected $7.2 milion a week ago, the biggest launch in a decade for a doc (that excludes concert pics and nature films from Disney). “Melania’s strong theatrical performance is a critical first moment that validates our wholistic distribution strategy, building awareness, engagement and provides momentum ahead of the film’s eventual debut on Prime Video,” Amazon MGM distribution chief Kevin Wilson said in Saturday’s note. Melania Trump’s film — a behind-the-scenes chronicle of the 20 days before her husband’s second inauguration in 2025 — has sparked a barrage of headlines after being billed the most expensive doc ever made. In …