...while the concept art looked Nadia-ish, the movie itself reminded me much more of Stargate. (With a sidebar of Indiana Jones and of Voyage au centre de la terre.)

Any time something has more than two sources, half the point of seeing it is to see how they were worked together (not to mention, given the ultimate unoriginality of nearly all plots, the more things go into a given work the better it can claim to be "original.")

Which is perhaps a long way of saying that I was pleasantly surprised by something, but...