Currently in theaters – and currently breaking several box-office records – is Avengers: Endgame, the fourth proper Avengers film, sequel to 2018’s Avengers: Infinity War, and twenty-second film in the Marvel Cinematic Universe (MCU). Nerd Nation Magazine was in attendance opening night, courtesy of Fandango, Cinemark Theaters, and Marvel Studios.   ****WARNING – WHILE THIS IS…