Invasion of the Saucer Men (1957)
Aliens equipped with venomous claws invade a small town but the towns teenage population is mobilized to fight the menace
The Three Musketeers (1933)
Tom Wayne rescues Clancy, Renard and Schmidt in the Arabian desert and they join him in going after El Shaitan, a bad guy who is never seen as he tries to wipe out the Foreign Legion
Wyoming Outlaw (1939)
Will Parker has been destroyed by a local politician and now must steal to feed his family He steals a steer from the Three Mesquiteers
New Frontier (1939)
The Three Mesquiteers convince a group of settlers to exchange their present property for some which, unbeknownst to our good guys, is going to be worthless They are captured before they can warn the ranchers