Chainsaw Man's Anime Premiere Made a Key Change From the Manga

Episode 1 of Chainsaw Man is faithful to the manga, except with one key difference at the start: the door in the alley. Here

Petition Started To Remake Chainsaw Man Anime With A New Director : r/KotakuInAction

Chainsaw Man (Manga vs Anime comparison) : r/ChainsawMan

Chainsaw Man's ending sequences explain the anime's approach to adaption - Polygon

Chainsaw Man Adaptation/ Manga Review *Spoiler Free* – Accolades

Chainsaw Man's Anime Debut Carves Quite the Impression

Tatsuki Fujimoto - News - IMDb

MAPPA announces Chainsaw Man anime release window and cast alongside full trailer

Chainsaw Man: 10 Things You Should Know Before The Anime Starts

Chainsaw Man - Series Premiere Review - IGN

Volume 2, Chainsaw Man Wiki