What was alien 3 supposed to be?

Could you elaborate on the intended vision for 'Alien 3'? Rumors abound regarding the film's original concept, yet many details remain shrouded in mystery. Was it supposed to be a direct continuation of the terror-filled narrative from 'Aliens,' or did it aim for a more psychological exploration of the characters? Did the script delve deeper into the mythology of the Aliens, or did it seek to expand the universe in a different direction? And what factors, if any, led to the film's final incarnation differing significantly from its initial conception? Understanding the genesis of 'Alien 3's' vision could shed light on its place in the franchise's legacy.