Updated: 10:55 a.m.
Walmart is coming to the Southland Plaza Shopping Center off Palm Avenue.
The new store will be announced with the megastore's officials in a ceremony Friday along with San Diego Mayor Jerry Sanders.
Walmart officials and the mayor will be joined by business leaders from the San Diego Regional Chamber of Commerce, Casa Familiar, South County Economic Development Council and the San Diego Regional Economic Development Corporation.
The store is expected to open in the fall in what used to be a Mervyns.
In South San Diego, there are also Walmart stores at 1150 Broadway in Chula Vista and near Palm Avenue and Interstate 805 in San Diego.