Samson in the Wax Museum (1963)

In this story, El Santo, a famed Mexican wrestler donning a mask, takes on the task of investigating a string of kidnappings. Through his investigation, he uncovers a startling truth: Doctor Caroll, a mysterious figure, is behind the abductions, and he is conducting experiments to create an army of monstrous beings using the victims. But with his exceptional wrestling skills, El Santo manages to triumph over these creatures and put an end to Doctor Caroll's nefarious plans.