It's like the Avatar sequel. One feels that what looked spectacular then will look commonplace now. Similar may have happened with Matrix.
OTOH, if new viewers did not know about previous films, then what some think is old would look new to them. That might have happened with Mad Max, where they essentially rebooted the second movie and came up with something based more on spectacle.
What's intriguing, though, is whether or not they can bring back what made the earlier Alien films notable: protagonists' blue-collar backgrounds, good character development thanks to "natural" dialogue, making up for the worthwhile buildup. It's hard to do that in the current environment, which focuses on lots of spectacle and a combination of simple plots and cardboard cutout characters to address an international audience.
