Kate del Castillo’s Teresa Mendoza is coming back to Telemundo in the 2026-27 season to deliver a fourth installment of “La Reina del Sur.” Another drama franchise, “El Señor de los Cielos,” is back for Season 10 as Telemundo stocks its lineup to capitalize on what it hopes will be a blockbuster summer with the quadrennial World Cup soccer tournament unfolding across America. Telemundo, NBCUniversal’s flagship Spanish-language network serving U.S. viewers, is set to deliver more than 700 hours of original live World Cup programming during the June 11-July 19 span of the competition.…