No, Katniss is the official Mockingjay, Rue inspired the revolution, but Prim started it. If Prim hadn't gotten picked Katniss wouldn't have volunteered then she wouldnt have met Rue who sparked the Mockingjay.
They might as well just call the movie Sort Of Catching Fire!<<<this is so accurate! Madge was the one who gave Katniss the pin THAT GAVE HER THE NAME, it even says that in the book! Also the redhead Avox girl from the book that helped Katniss