The Expendables 4 follows Lee Christmas (Jason Statham) as he joins a new team of mercenaries to thwart the ambitions of an unknown criminal mastermind who plans to arm nuclear missiles and start World War III. After the apparent death of their leader Barney Ross, Christmas is replaced by his former lover Gina (Megan Fox), but soon discovers that Barney faked his own demise and leads the team in a mission to stop the villainous Ocelot (Andy Garcia) and prevent global catastrophe.