From GameWatcher: “It’s been two years since the release of Sniper Elite 4, the fantastic 4th title in Rebellion’s beloved shooter series, so we’re due for a new game in the series. Rebellion agrees, as the studio has revealed that Sniper Elite 5 is in production, along with several other Sniper Elite games.”
Source: N4G PC Sniper Elite 5 is Coming, Along With 3 More Sniper Elite Games