Maybe if Kristin Wiig from Bridesmaids turned out to be the killer at the end of the Friday the 13th movies? She'd just be like "So I killed some people, what's the big deal?"
There you go! I knew someone would get it! She'd play the killer and the killer would play the Kristin Wiig character in Bridesmaids! Switch the two characters.
Okay, so Hannibal would play which character in Guess Who's Coming to Dinner? And which character in that movie would play Hannibal in Silence of the Lambs?
Ermm..... not quite there. A Vin Diesel character goes into a Mandy Moore movie and Mandy Moore's character plays the Vin Diesel character in his movie.
Okay, so in my example, Julie Andrews' character Maria is going into Arnold's movie and will play The Terminator. And The Terminator will report to the Sound of Music to play Maria!