If you want to play Marvel's Avengers now, you have a few options:
All remaining players now have access to almost every outfit, emote, and takedown for free as part of the final v2.8 update. Marvel’s Avengers Free Download (2.0.3.0)
You can still find used physical copies for consoles like PlayStation 4 or Xbox One at retailers like GameStop or eBay . If you want to play Marvel's Avengers now,
Pirated versions often suffer from bugs, crashes, and performance issues that were fixed in later official updates. How to Play Legally Today Marvel’s Avengers Free Download (2.0.3.0)