At recent ‘Creativity SIG gatherings, the Comic Book filter has been applied to some of the photos.
If you would like to read with many screenshots about the process using the messages app on a recent iPhone or iPad follow this link.
For those who would rather watch a video showing you the process look here:
BONUS TIP: The procedure involves taking a photo in a conversation. It is suggested that you create a new conversation with yourself while you are ‘testing’ so that you don’t send some strange pictures to family or friends.
To add the comic book filter to existing photos you need to use the Clips app.