Bob Shaye, the president of New Line, aims for E.T.-like wonder in his first feature since 1990. Nice try. An eclectic mix of family drama, aliens from the future, and Tibetan mysticism, The Last Mimzy never coheres. With two annoyingly precocious kids in the lead (is there any other kind these days?), it won’t charm adults, but kids will be at a loss too. Mimzy is a toy — a stuffed bunny — sent from the future to procure some untainted DNA and bring it back to save the human race from something like global warming. Having been found on a beach by a brother and sister, she and the crap from the future she comes with bestow superpowers upon the siblings. Their parents freak out, and they all land in trouble with the government — which of course jeopardizes their hopes of saving the future Earth. Weird, and needlessly complicated — the beauty of E.T. was its simplicity.