Can’t wait for Halloween? You can get a jump on the holiday with some family-friendly scary movies to watch to get into the sumerween vibe.Fact checked by Sarah ScottCredit: ParentsIf Christmas in July exists, who says we have to wait until October to celebrate Halloween? While you might not be able to go trick-or-treating dressed in adorable matching costumes, you can buy your favorite candy, order an iced pumpkin-spiced latte, and have a “Summ…