Movie black technology

Come to the parallel time and space, and start the road of black technology from making mechas.
Many years later, the reporter asked: "Mr. Chen, what was your original motivation for developing the Hunter Mecha?"
Chen Shen: "If huge monsters invade under the Pacific Ocean, we can use the hunter mech to fight against them..."
reporter:"?"
"What about the planetary engine?"
"Maybe one day when the sun is dying, we can use planetary engines to propel the earth out of the solar system..."
reporter:"???"
Everyone suddenly realized that the great scientist Chen had delusions of earth persecution!