Start with The Mighty Thor #1 (2015). It follows the events of Thor: God of Thunder (2012) and Thor (2014) where Odinson becomes unworthy.
If you are looking for a guide to the 100% completion of the action hack-and-slash game (often associated with the film release), these are the core mechanics and objectives: God of Thunder(2015)
You should read the miniseries The Unworthy Thor between issues #14 and #15 of the main 2015 run to understand the fate of the original Thor Odinson. Thor: God of Thunder (2011 Video Game) Start with The Mighty Thor #1 (2015)
While there is no major commercial game or media titled "God of Thunder" released specifically in 2015, the request likely refers to the The Mighty Thor or the continued popularity of the 2011 video game Thor: God of Thunder . The Mighty Thor (2015 Comic Series) Thor: God of Thunder (2011 Video Game) While
These video walkthroughs provide a step-by-step guide to mastering the combat and finding all collectibles in the God of Thunder game: Thor: God of Thunder FULL GAME 100% Longplay (PS3, X360) YouTube · ★WishingTikal★