Carnival Cruise Line made a splash with the debut of Excel-class ship Mardi Gras out of Port Canaveral in 2021 and has since followed up with sister ships Carnival Celebration from Miami in 2022 and the new Carnival Jubilee sailing out of Galveston, Texas. Now the three sister ships will get a fourth sibling, as Carnival Corp. announced Tuesday it has ordered construction of a new ship from the Meyer Werft shipyard in Papenburg, Germany, for a debut in spring 2027. It’s actually the 10th Excel-class ship across Carnival’s brands that also includes the new Princess Cruises’ Sun Princess set to …