If there is one thing about Teen Titans Go commercials, they leak an upcoming episode. Recently, they leak an upcoming character: Ravager.
Ravager, aka Rose Wilson, is Slade's daughter. You may not recognize her from the original show because she never appear in the show. She appeared in the comic.
Here's two images of her in a recent commercial:
Here is another appearance of her in a past commercial:
This is no joke. She will appear in a episode.