March 4 (UPI) -- Mickey 17 , in theaters Friday, is a provocative science fiction story that mines intriguing possibilities out of its premise. Its allegories can sometimes veer into caricature, but overall the film delivers on the story. Based on the novel Mickey 7 by Edward Ashton, the film takes place in the year 2054, where Mickey Barnes (Robert Pattinson) has signed up to be an expendable on a space mission to colonize another planet. Unlike the heroes of Sylvester Stallone's Expendables