Jungle Jim (1937) is a Universal serial film based on Jungle Jim, the comic strip by Alex Raymond.
Two safaris enter the African jungle intent on finding a white girl who is the heiress to a fortune. One safari, led by Jungle Jim, wants to make sure she gets the news that she is now a rich woman and escort her back to civlization. The leaders of the other safari want to kill the girl so they can try to get hold of her inheritance themselves...