Place first 4 ingredients in a food processor. Pulse 4 times or until coarsely chopped, scraping sides of bowl occasionally. Add wine, juice, honey, cinnamon, nutmeg, and apple. Pulse 2 times to combine (mixture should be slightly chunky but spreadable). Place fruit mixture in a large bowl; stir in marshmallows and walnuts. Cover and refrigerate at least for 2 hours or overnight.