HTML - Nerds Paradise Culminating

okay so I am new to the forums so hopefully this is in the right spot, okay so I'm a high school student and decieded for my culminating for computer tech I would make a website, I call it nerds Paradise, mainly because I love comic books and gaming, so here is everything I have so far, some suggestions on how to improve anything would be helpful, I also need something really cool on this website to put it over the top, any suggestions would be welcome, start with the one labeled introduction page, thanks for looking. how do I upload? I thought I had