One of the biggest names in movie marketing is stepping away from the trailers game and laying off staff. Trailer Park Group , the long-standing, Clio Award-winning marketing agency behind trailers and key art on movies including Christopher Nolan’s Interstellar and The Dark Knight Rises , Marvel Studios’ Guardians of the Galaxy and Captain America: Civil War , and TV shows such as Netflix’s Stranger Things and Wednesday , has shut down several key divisions and reorganized others, according to multiple sources. The company is shedding about 150 positions, according to sources. Its employment numbers fluctuate but at last count, employed around 1,100 people globally. Its traditional trailer-making division in the U.S. is shuttering while other audio-visual components are being trimmed or moved under other portfolios. The company’s office in Hollywood is closing with the U.S. hub now shifting to its office in Woodland Hills, Calif. The moves will be ongoing for the next two months, according to sources.…