One of the better filmgoing surprises within the last decade has been the opportunity to watch Taika Waititi develop into one of the finest comedy directors around, displaying his gifts with timing and performance in hilarious efforts such as “Eagle vs. Shark” and “Boy.” “What We Do in the Shadows” is a slight change of pace for Waititi, turning away from a human element to mess around with the undead, sharing helming duties with co-star Jemaine Clement to mastermind a faux documentary about the life and times of New Zealand vampires. Hilarious, with refreshing attention to the gruesome possibilities of the premise, “What We Do in the Shadows” is a creative step forward for Waititi, taking interesting tonal risks while maintaining a steady flow of silly business. Read the rest at Blu-ray.com