Queen of the Amazons (1947)

Jean Preston leads a party to India to investigate the disappearance of her fiance, Greg Jones, but someone manages to thwart their efforts through lies and murder. They pursue the trail to Africa where guide Gary Lambert and his comic cook Gabby guide them into unknown territory. Greg is found living with Zita, a jealous and beautiful Amazon queen. The mysterious deaths continue as Lambert tries to discover who has been dealing in contraband ivory. When he solves that mystery, he also uncovers the identity of the mysterious murderer.
https://www.youtube.com/watch?v=Z0LVOPs1ZuM