Heh, also, Keanu Reeves on Graham Norton's show the other night was talking that he's actually read a script for Bill & Ted 3. No word on whether it would go beyond that, or how much was just joking around, but he did actually give a general run through on the premise as a 50 year old Bill & Ted struggle with rebellious kids and failing marriages, then find out if they don't write a song this time it'll potentially scar the future of the entire galaxy.
https://www.youtube.com/watch?v=sdBg0gExEcA