The return on investment (ROI) of a Super Bowl commercial can be difficult to measure, as it depends on a number of factors, including the target audience, the message of the commercial, the production costs, and the overall advertising campaign. However, many advertisers see the Super Bowl as a valuable opportunity to reach a large and engaged audience, and are willing to pay a premium for access to this audience.

Some of the key ways that advertisers measure the ROI of a Super Bowl commercial include:

1. Brand Awareness: Super Bowl commercials often generate significant buzz and media coverage, which can increase brand awareness and exposure. This can be measured through surveys, social media metrics, and other research methods.
2. Sales: Increased brand awareness can lead to increased sales, as more consumers become familiar with the brand and its products. Advertisers can measure this by tracking sales before and after the Super Bowl, and by comparing sales to a control group.
3. Engagement: Super Bowl commercials often generate a significant amount of online and social media engagement, as viewers share and discuss the ads on social media and other platforms. This can be measured through metrics such as likes, shares, and comments.
4. Customer Acquisition: Super Bowl commercials can also help advertisers acquire new customers, as the ads reach a large and engaged audience. This can be measured through metrics such as website traffic, sign-ups, and customer data.

Overall, the ROI of a Super Bowl commercial can be difficult to quantify, as it depends on a number of factors. However, many advertisers see the Super Bowl as a valuable opportunity to reach a large and engaged audience, and are willing to invest in Super Bowl commercials as part of a comprehensive advertising campaign.