Fix meaning, to get the franchise back on track in terms of financial viability.
The Splinter Cell remake has been confirmed, but it's likely a test for Ubisoft to see how strong the IP still is in the modern market.
To date, there have been 7 Splinter Cell games made and the franchise has officially sold 31 million copies according to Ubisoft. That's an average of 4.5 million copies per game release.
How would you shake up the series so that there's potential to sell 10+ million copies?