Just ask for permission first and everyone will have a good time and you’ll get a cute photo with your fave. While cosplayers are happy that folks admire their cosplays and are flattered that you want to take pictures, there is an unsaid rule; ask for permission before filming them. In fact, dr. strange costume those two costumes were listed by name as banned from Rose City’s convention floor – because they’re just too triggering for progressives who might be hanging out amidst the tee shirt sellers and autograph booths.