Marvel: The Twelve Spells

“Welcome to the evil camp!”
“Unlock plots with the main characters of the Marvel Universe, and have a chance to enhance the power of your spells. Unsealed spells can be upgraded with villain values, and they will make you more powerful!”
“Villain points can be obtained by making people have negative emotions such as fear, anger, sadness, depression, and regret. Villain points are the currency of the devil. It can buy a lot, such as making you the best piano player and the richest person. …Or, lose your life!”
“Try to make superheroes have negative emotions and make them feel fear and anger. There will be unexpected rewards…”
“So, are you ready? Mr. Evil has descended on the Marvel Universe!”
Luo Xia, who possesses the power of twelve talismans, looked at the system description and fell into deep thought…