Even if Russia "wins" in Ukraine, which is a big if in and of itself, I think that there can be no doubt that future Russian military intervention can be expected. However, I don't think it would likely be in Europe, and I don't think it would even be anywhere in the near future. Likely, any future Russian intervention would be in the Middle East, West Asia or the Caucasus. However, if no real attempt is made to stop Russian aggression, I think that years and decades down the line future aggression can be expected, even in Europe (of course that is all dependent on how long Putin lasts, and what happens politically in Russia once he goes).
Russia is a time bomb. No doubt about it.