Superhero Exchange System [Comprehensive British and American]

As an ordinary person, Emma suddenly fell into the world of superheroes, and was bound to a strange system. Just as Emma was gearing up to do something big, she was told by the system that the superheroes in this world had disappeared, and the world was destroyed. The villain is in control, falling into chaos Emma: ... What about the superheroes System: They are all locked up here Emma: ... System: Dear, you need to do tasks to redeem superheroes, at least 1000 points are needed to redeem a superhero, you just need Save 500 cats to redeem them!Emma: ...Is there a faster way!System: Or you can choose to beat up the villains who occupy the city and that's ok!Emma: ...I choose to save the cat Emma, ​​who somehow carried the whole world on her back, can only accumulate points little by little, redeem superheroes and at the same time try to save this terrible world The content is based on quasi-villains and possible ooccp content tags: Anglo-American derivative fantasy space system superhero┃ Search keywords: protagonist: ┃ supporting role: