In a large jug, add the blueberries and 1 lemon, sliced. Add the frozen lemonade and crush it into a slush. Carefully add the magnum of wine and the brandy. Stir well, and refrigerate for at least 3 hours. (This can be refrigerated overnight as well) Before serving, add the chilled club soda and stir well to ensure the booze and club soda mix. Garnish glasses with lemon slices, extra blueberries, and fresh mint leaves (optional) Serve chilled and enjoy!