Mary Sanchez: Film ‘Blue Beetle’ takes a shot at the US Army’s tainted School of the Americas

The most dynamically Latino thread of DC Comics’ latest film “Blue Beetle” will be lost on most cinema audiences.

The deft hand that director Ángel Manuel Soto and screenwriter Gareth Dunnet-Alcocer played for this superhero film is genius.

Yes, “Blue Beetle” is a long-awaited, culturally specific Latino superhero.

In that genre, it follows the usual script, with brown flairs.

There’s Jaime Reyes, the good-hearted young man who has been “chosen” by the blue scarab and transforms.

Cast as Mexican-American, a first generation college grad, Reyes (played by actor Xolo Maridueña) soon morphs