"I'm afraid you'll find your powers inaccessible at the moment," Sinister pointed out when Pete moved just slightly. He could only assume the man's attentions, but most people's first moves were to try to use their powers to escape.
Sinister wasn't new to the kidnapping mutants and experimenting on them game. No, not at all.
"I'm going to run through a basic medical checkup, now that you're conscious. Just a quick test of your reflexes and vital signs." Nothing terrible for now, as he reached for a flashlight. First, checking how quickly his pupils dilated. "Keep your eyes wide open, please."