Secret Wars Reading Order, How to Prepare for Avengers: The Kang Dynasty and Avengers: Secret Wars

You'll want to consider a Marvel comics reading order if you want to know everything that went into The Kang Dynasty and Secret Wars.
A reading list that looks like a graduate school assignment.

Avengers: The Kang Dynasty' and 'Avengers: Secret Wars': Everything to know - Entertainment News

Secret Wars Reading Order — Marvel Guides

Kang Reading Order: Nathaniel Richards (1963-Present) – Omniverse Comics Guide

Kang Reading Order: Nathaniel Richards (1963-Present) – Omniverse Comics Guide

MTTSH posts rough summary of Kang Dynasty and Secret Wars : r/MarvelStudiosSpoilers

Russo Brothers Are “Not Connected To Next Two 'Avengers' Films

Secret Wars Reading Guide

Secret Wars Theory Perfectly Explains How Kang Brings Back Deceased Former Avengers Via Time Travel to Fight the Current Avengers - FandomWire

Iron Man' Robert Downey Jr To Make A Comeback In Avengers: The Kang Dynasty & Avengers: Secret Wars?