Sounds cool Louka! Personally, I really like the idea of him escaping from it- he is a super hero after all! Maybe make him escape in a really cool way, like using powers or something or perhaps introduce another character or theme which helps him escape, he can't die if he has to defeat his nemesis
This may be useless to you or just me rambling idk, hope it helps in some way!
Good luck with your novel! 🤗