True, not all luxury brands offer SUVs this small ― Infiniti dropped the spunky EX30 and Cadillac stopped building the roomy XT4 ― and even fewer match the ADX’s sleek looks. Need a break?

So goes much of the crackling patter of “Black Bag,” Steven Soderbergh’s delicious marital drama cloaked as a sleek spy thriller. Lean and taut, the 93-minute “Black Bag” is more a sizzling ...