Probably! It's PAX Prime this weekend in Seattle and the website's timetable might have given us a big hint at what Volition are working on next.
The site lists the description for Violition's upcoming developers panel:
PAX - Quiz Show Hour with Volition - Project Reveal & Prizes
The developers behind the Saints Row franchise invite you to participate in a quiz show hour with Natalie Lander, the voice of Kinzie! At the end of the panel, we'll show you exclusive gameplay, art, and details for an upcoming project from Volition.
Aubrey Norris [Brand Director, Deep Silver], Steve Jaros [Creative Director, Volition], Natalie Lander [VO Actress, Volition], Jim Boone [Producer, Volition]
Stay tuned for more news!