MUMBAI, March 22 -- Third time isn't the charm for the animated adventures of Hiccup the plucky Viking youth and his dragon companion, Toothless. The latest and reportedly final installment in the blockbuster series finds humans and beasties living in harmony in their utopian village. Until the arrival of a malevolent dragon-hunter (dubbed by Oscar-winner F Murray Abraham) who is determined to exterminate the fire-breathing species....