They did, but most of the film's major effects sequences were finished with only a couple of weeks to spare. In addition to creating the mutant scorpion, the hordes of regular scorpions, the angry dobermans, the palaces of ancient Thebes and, yes, the pygmy mummies, Berton's ILM workers had to erase the usual wires, mummy stand-ins and, most comically, tourists. While shooting a scene in Morocco's famous Todra Gorge, a group of 2,000 tourists congregated in the camera's line of vision, curious about the filming. Sommers then asked Berton if he could continue shooting and have ILM digitally erase the tourists in post-production. It also underscores the essence of the Mummy movies as explained by actor John Hannah.
Films are about actors.
This is a movie, a big movie. And that means it can include wrestlers, models and body builders. That movie takes the Rock's Mummy Returns character and turns him into a good guy, creating a conventional action picture more on the level of Conan. Both are heavily scripted. Meanwhile, there is no script for a third Mummy .