Then , 30 - second Super Bowl spots fetched an average of $4.2 million .
Last year , Fox 's broadcast of the Super Bowl brought in $332 million in ad revenue , according to an analysis by ad firm Kantar Media .
30 - second Super Bowl spots fetched an average of $4.2 million .
Last year , Fox 's broadcast of the Super Bowl brought in $332 million in ad revenue , according to an analysis by ad firm Kantar Media .