Armed with every weapon they can get their hands on, the Expendables are the world's last line of defense and the team that gets called when all other options are off the table.
A sick and desperate John travels to Mexico for a risky and experimental medical procedure in hopes of a miracle cure for his cancer only to discover the entire operation is a scam to defraud the most vulnerable.
Against the backdrop of a war between humans and robots with artificial intelligence, a former soldier finds the secret weapon, a robot in the form of a young child.
Robert McCall finds himself at home in Southern Italy but he discovers his friends are under the control of local crime bosses. As events turn deadly, McCall knows what he has to do: become his friends' protector by taking on the mafia.