To have an inkling that the movies of director James Cameron are difficult to make, one only needs to watch them . After all, it's still astonishing that the filmmaker was able to bring to life a liquid metal man in "Terminator 2," to re-enact the sinking of the Titanic with stunning accuracy in "Titanic," and to create an entire alien world from scratch in the "Avatar" series. Compared to these feats, it would seem that his 1986 sequel "Aliens" might've been a walk in the park, relatively. It's the sort of film that someone like Cameron, who graduated from the unofficial school of Roger Corman's genre-focused studio, New World Pictures , was destined to make after working on pictures like "Battle Beyond the Stars" and "Galaxy of Terror."
By all accounts, "Aliens" had as trying a prod