Ice Spice is turning pain into profit. The “Deli” rapper, 26, starred in a new ad for McDonald’s competitor Wendy’s after she was slapped by a customer in Mickey D’s. In the humorous ad , Ice Spice — born Isis Gaston — promoted Wendy’s new spicy chicken sandwich and played on her rap name, changing it to “Ice Spicy.” “I heard Wendy’s upgraded their OG chicken sandwich. New spicy?” she said in the commercial before daydreaming about different scenarios, including getting a neck tattoo reading, “Ice Spicy.” “Spice recognize spice,” she later joked. Ice Spice (seen above with a meal) starred in a new ad for Wendy’s following her viral altercation at a Los Angeles McDonald’s. Wendys The ad (as seen above) is for Wendy’s new spicy chicken sandwich. Wendys At one point, the ad features the Grammy nominee (seen above) getting a neck tattoo reading, “Ice Spicy.” Wendys Fans commented on the commercial in light of her recent McDonald’s beef.…