To compile our list, we looked at worldwide theatrical grosses for the top 200 films to date of 2010 and their estimated budgets (numbers courtesy of BoxOffice Mojo) to determine what percentage of a film's budget was earned back at the boxoffice.
Studios spend millions to lure us into theaters each weekend, and here's a daunting statistic: On average, they spend more on advertising than they get back in boxoffice receipts.