The highlight of 2010's The Expendables has got to be the scene where Sylvester Stallone takes on the man mountain of wrestling, Stone Cold Steve Austin. As you'll probably gather, neither of the men were going to use a stunt double for this awesome display of machismo and action. Unfortunately, this decision ended rather badly for 64 year-old Sylvester Stallone. In a shot where Austin throws Stallone to the floor, the force of the impact was so great that it dislodged two vertebrae in Stallone's spine and fractured his neck. Amazingly, Stallone didn't feel the injuries until a week later when he made a routine visit to the on-set doctor. According to Stallone, if he'd have waited any longer he would've been dead due to fluid building up around the breaks. Even worse, he could've been paralysed for life even if he had survived the fluid build-up. As with Isla Fisher's near-drowning, this shot remains in the finished film, and it does actually look awesome.