Walmart is running a program around Marvel Entertainment's, "The Avengers," which premiers this weekend. Last week, the retailer debuted a game that melds the in-store experience with an augmented reality mobile app. To play, fans download the "Super Hero Augmented Reality" app from the iTunes App Store or Android Market. They then visit a local Walmart to search the store for specific images on "Avengers" P-O-P materials. The signage is placed in various departments to encourage players to move around the store, where some 600 "Avengers"-branded merchandise items are on sale.

On his Wednesday program, conservative radio host Rush Limbaugh said two of the advertisers who left in response to his bashing of Sandra Fluke are still using his name and brand despite having dropped him after the incident.

Ashton Kutcher, the star of "Two and a Half Men," is in ads for Popchips, in which he personifies different varieties of the product. He has been the brand's "president of pop culture" in 2010.

Facebook Inc. has built a $3 billion-a-year advertising business by convincing marketers to buy new forms of advertising designed to create buzz around their brands. But some advertisers with big spending accounts are wondering whether they're getting their money's worth. The doubt lingers as bankers and prospective investors decide how to value Facebook for an initial public offering planned for May 18, said people familiar with the matter. Facebook executives will be pitching the company to big investors in an IPO roadshow starting Monday, these people said.

Global tennis company Prince Sports has filed for bankruptcy protection and is expected to next fall under the auspices of Authentic Brands Group, whose other investments range from MMA firm TapouT to the estates of Marilyn Monroe and Bob Marley.

Nikon has teamed up with contextual advertising specialist Vibrant to launch an online ad campaign across Europe to promote its Coolpix series of cameras.

The U.S. new car market seems to have continued gaining momentum in April - though there were a few setbacks, notably for the two largest of the domestic makers.

Quarterback Robert Griffin III, the No. 2 overall pick in last week's NFL draft by the Washington Redskins, has added trading card company Panini America to an endorsement list that includes Adidas, EA Sports, Subway and Castrol Oil. Panini America said it has signed 24 of 32 first-round picks from the 2012 NFL draft to trading card and autograph deals, including No. 1 overall pick Andrew Luck (Indianapolis Colts) and No. 3 Trent Richardson (Cleveland Browns).

Phillips 66 has spun off from parent ConocoPhillips, so the company and its affiliated brand names can expect an even heavier focus on loyalty programs and related services.

After 35 years in New Jersey, the Nets officially crossed the Hudson River into the borough of Brooklyn, with a grand unveiling of Jay-Z-styled logos and merchandise at a Modell's location across the street from the team's new Barclays Center venue. Are marketers excited? According to CEO Brett Yormark, "Our suites are more than 75% sold out, sponsorship has more than tripled what we did our last year in New Jersey."