Superbowl adverts

old black men (Morgan freeman ad)

• white and black people are opposite.
• binary opposition of ice and fire. 
• Morgan freeman is known for his voice so is 'funny' that his lip syncing.

British people and America (bud light ad)

• English people like beer.
• Americans are strong as they didn't have arrows.

Mexicans ( avocado ad)

• no Mexicans in the advert.
• they aren't important as only white Americans can be seen.
• Mexico is referred to but the people aren't there.