HOW TO PLAY Legendary Marvel Studios What If..? A Marvel Deck Building Game

About Legendary: A Marvel Deck Building Game – Marvel Studios' What If...?, from BoardGameGeek:

Introducing the long-awaited new core set: Legendary: What If…? This set is based on the hit Disney+ animated series "Marvel: What If…?" which is part of the Marvel Cinematic Universe and inspired by the classic Marvel What If...? Disney+ series. This 350-card Set includes brand-new content and contains everything you need to play the game. You will explore parallel realities and significant moments around the multiverse from the Marvel Cinematic Universe. Now, you can team up with heroes to undergo a journey far beyond the limits of this world. -description from the publisher