John Rambo is Sylvester Stallone's most famous character aside from Rocky Balboa, so how do the five "Rambo" movies stack up?

Rambo: First Blood Part II takes the series in another direction, one that would prove immensely, if temporarily, popular.

Rambo was in many ways the ultimate loner in cinema history. Throughout the four sequels following First Blood, the PTSD-ridden vet evolved into an avenging killing machine often sent on covert ...