first of three aztec mummy film be the only one that to the best of my knowledge be never completely dub into english . the film be chop up and use in piece by people like jerry warren in other film ( he combine it with another mexican horror comedy with lon chaney to make face of the scream werewolf . and it show up in attack of the mayan mummy and elsewhere . ) the long of the three film and a good chunk of this film make up the two late film which use this a a basis of flash back . the plot of this film have a scientist conduct a past life regression experiment which cause his subject to travel back and discover hidden chamber in an aztec pyramid . the group and as well a a sinister figure know a the bat and hope to use the information to discover hidden treasure . instead they discover a living mummy who have other plan . long and long wind this film have way too little action to sustain it 80 minute run time ( worse the mummy doesn not even show up until an hour have pass ) . probably the least of the three film and it easy to see why this film be cut apart and it the only way to fashion a non sleep inducing film . watch the film late last night i find myself fight to stay awake . it be a tough haul and i find that i end up scan to the point where the mummy show up . give the choice i would take a pas and watch the second two film .