Here's three guides for newcomers who want to start reading Marvel comics and/or watching the movies
https://www.continuityguide.net/
A guide for comics, presented in chapters, to follow more easily the parution of comics. The reading order start in 2001, because even starting with 2001, you will have a lot to read!
https://comicbookreadingorders.com/marvel/
If you want to read ALL the comics, this is the way to go. It lost EVERY comics, from the creation of Marvel to today, to more easily follow everything.