The Mitchells Vs. The Machines fights off animated routine with great jokes and characters

At first, The Mitchells Vs. The Machines seems as though it’s working from a checklist of American feature animation’s deadliest sins, compiled by an exhausted movie critic or parent or both. The clichés stack up with abandon. There’s wild, hyperbolic action, which of course slows down for an obligatory ultra-slow-mo…