They will need to keep adding expansions and/or payed content. Another 3 years on CoH2 isn't feasible without a steady trickle of income to pay for the support.
I'd prefer they basically abandon CoH2 at this point, maybe a few commanders and ToW missions and announce CoH3.
1940/41 setting
Commonwealth, France
vs
Germany, Italy
No Tigers, no MP44s
Damn right, sounds good to me.
Though the German fanboy's tears will be strong when they find their Panzer II can't penetrate Matildas...