How do you play as Mysterio and Carnage in Spider-Man friend or foe on PC?

Oh, dude, playing as Mysterio and Carnage in Spider-Man: Friend or Foe on PC is like finding a hidden gem in a pile of rocks. To unlock Mysterio, you need to defeat him in Tokyo, and for Carnage, you gotta defeat him in Transylvania. It's that simple, like getting the last slice of Pizza at a party. Enjoy swinging around and causing chaos with those villains!