Gunpowder Milkshake Reviewed: Derivative, If Somewhat Engaging, Actioner

Bullet time squared.

If you threw Kill Bill, John Wick, and maybe Atomic Blonde into a blender, maxed out on pulverizing the ingredients into a thin gruel, and then emptied the results into a screenplay program, it’d come out looking and sounding a lot like writer-director Navot Papushado’s (ABCs of Death 2, Big Bad Wolves) latest film, Gunpowder Milkshake. A derivative actioner notable both for centering its unoriginal narrative on a…