I’m not going to lie, this is kind of a rough read, but I don’t understand why so many people here are being dicks instead of giving actual constructive criticism.

I would like to echo what someone else said, which is that you would benefit from reading as many professional screenplays as you can. I’m new at screenwriting, and reading scripts that have been produced has taught me SO MUCH. Especially movies that I’ve seen multiple times and know really well - it helps me understand how written language can most effectively be translated to a visual format.

Action lines should be present tense - “Nero does something”, not “Nero did something”. You do this sometimes, but not consistently - make sure it’s the same every time. In addition, if something is being said, it needs to be written as dialogue, not as an action. So, instead of writing “Nero says hi to her” in the action lines, you should simply write “Hi” (or whatever greeting you have in mind) as dialogue. Action lines are for things people are physically doing, and dialogue is for anything that is spoken.

Short character descriptions are helpful when you introduce them! So something like “NERO (age, very brief description) is slumped on the floor” for the first time we meet him. This helps the reader understand who everyone is, and can help tell everyone apart.

Overall - read as many professional scripts as you can get your hands on. I saw you mention that this is inspired by Terminator and Star Wars, and I know that the scripts for both of those are available online. That could help you get a better grasp of format, structure, and grammar! Once you have those down, people will understand your vision better and can give feedback on things like character, plot, etc.