LOS ANGELES/NEW YORK (Reuters) – Snickers generated laughs with a nostalgic nod to “The Brady Bunch” and Budweiser capitalized on cuteness with the return of a puppy as advertisers risked big bucks to stand out in the hard-fought battle to win buzz for their Super Bowl commercials. Brands paid up to a record $4.5 million for 30 seconds during the championship game between the New England Patriots and Seattle Seahawks on Comcast Corp’s NBC network.