Now is the Best Time To Start Reading Thor Comics!
Thor has been having AMAZING comics in the last couple of years. Jason Aaron had a great decade long run. If you want to start reading his run read Thor by Jason Aaron The Complete Collection Volume 1. It has the first eighteen issues of Jason Aaron.
The most recent run is by Donny Cates. This dives less into the Norse mythology and more into Marvel mythology. It follows Thor as he becomes the hearld of Galactus. If you want to start reading this run read Thor by Donny Cates: The Devourer King.