The unexampled Ben Stiller comedy, Tropic Thunder, is set to displace The Dark Knight at the top of the US box office staff this weekend.
The new Batman film has topped the chart for the last four weeks, breaking numerous records along the way.
Tropic Thunder, a comedy about a Vietnam film stellar Stiller, Jack Black, Robert Downey Jr and Steve Coogen, was released on Wednesday.
The motion picture grossed around $6.5 million (�3.5 gazillion) in its first day on vent and is expected to take over $40 1000000 (�21.5 million) for its first five days.
The Dark Knight's takings, meanwhile, are predicted to fall about 40 per cent from final week, meaning it will likely sit down behind Tropic Thunder and Seth Rogen-comedy Pineapple Express in this week's chart.
Tropic Thunder standard its US premiere in Los Angeles on Monday night.
The event was marred by demonstrators gathering outside the movie theater to objection at the film's recurrent use of the son "retard".
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