Here's three guides for newcomers who want to start reading Marvel comics and/or watching the movies

1. 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!

2. 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.

3. https://www.thepopverse.com/marvel-movies-in-order-mcu-cinematic-universe-studios-chronological-release This website will show you the parution order of the Marvel Cinematic Universe (MCU) and also the chronological order. It list movies AND series!