Walmart Inc. /zigman2/quotes/207374728/composite WMT -1.91% is giving a sneak peek of its first Super Bowl commercial, which will air this Sunday. Focused on the retail giant's Pickup service, the ad will feature "famous visitors" from TV shows and movies, like Buzz Lightyear from "Toy Story" and characters from "Star Wars." Prior to the game, Walmart will air radio teasers, and an extended version of the ad is available . Other activities are also planned during and after the game. Walmart stock has gained 20.5% over the past year, outpacing the Dow Jones Industrial Average /zigman2/quotes/210598065/realtime DJIA -3.56% , which is up 17.3% for the period.