The actor previously made an appearance during "Running Point" season 1.Macaulay Culkin in December 2025; Brenda Song in 'Running Point'Credit: Phillip Faraone/Getty; Katrina Marcinowski/NetflixKey PointsMacaulay Culkin's season 2 cameo in Running Point is a buzzy one, but when fans find out how he's featured, it might sting.The actor previously had a quick appearance in the first season of the Netflix show, which features his fiancée Brenda Son…