Watch Avengers Grimm (2015) HD Full Movie Free on SolarMovie. Watch Avengers Grimm (2015) online free. When Rumpelstiltskin destroys the Magic Mirror and escapes to the modern world, the four princesses ...When Rumpelstiltskin destroys the Magic Mirror and escapes to the modern world, the four princesses of "Once Upon a Time"-Cinderella, Sleeping Beauty, Snow White, and Rapunzel-are sucked through the portal too. Well-trained and endowed with magical powers, the four women must fight Rumpelstiltskin and his army of thralls before he enslaves everyone on Earth.