DC: The cursed demon

Created by an unknown being, sent to a dangerous world where villains are everywhere, he must survive, but things never go his way.
Cursed and separated from his twin from birth, experimented on by a mad scientist, he had enough.
He is on a path to take revenge against the ones that tormented him from birth.
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The story takes place in DC, Mc is cold and calculative.
English is my second language.
If you have any opinion regarding the story you can comment on it in the comment section.
If you have any questions about any part of the story post them in the paragraph that you have the question about and I'll try to answer them.