‘Alita’ reunites ‘Avatar’ team in dim sci-fi action epic

Ambitious special effects run head first into a convoluted mess of a story in "Alita: Battle Angel," an expensive-looking sci-fi movie that bears the stamp of "Avatar" and "Titanic" director James Cameron, albeit as co-writer and producer. There are no icebergs here, but that doesn't prevent the movie from sinking under its own weight.