The epic film Iron Man, which was a third collaboration between Liu Heng, Yin Li, was first exposed to the media. The mysterious leading man, who had been highly anticipated, has finally been revealed. In the freezing cold of minus 30 degrees, Wu Gang played the "Iron Man" Wang Jinxi, who jumped into the mud pit without hesitation, using his body as a human meat mixer, deeply moved by the spirit of the iron man.