This is a great concept that had moments of brilliance. When we got to the "twist" you just kind of scratched your head and thought hmmm. Overall it wasn't bad but it also didn't blow me away and will be easily forgotten.
Take Aeon Flux mix in Atomic Blonde with a team of healing mutants like Logan and you’ll get The Old Guard. I loved this movie! I hope we get a sequel as I want to see more from this team and more of their stories.