Its been a long time coming, but Lethal Weapon 5 is still in the works according to star Mel Gibson, who will also be taking over directing duties for the late Richard Donner following his passing in 2021. Beginning in 1987, Lethal Weapon saw Gibson team up with Danny Glover in the buddy-cop movie featuring a pair of mismatched LAPD detectives working to solve the murder of a friend's daughter.