What did they do to Wade Wilson?

What did they do to Wade Wilson? Ajax injects Wade with a serum that activates any dormant mutant genes in him, the mutations being meant to turn him into a superhuman to heal him from his cancer, but says that in order for it to work and because adrenaline is the serums catalyst, they have to subject him to extreme stress for the mutation to occur.

Ajax injects Wade with a serum that activates any dormant mutant genes in him, the mutations being meant to turn him into a superhuman to heal him from his cancer, but says that in order for it to work and because adrenaline is the serums catalyst, they have to subject him to extreme stress for the mutation to occur.