I dunno.
My thing is why would you do this as a streaming series, when you could get at least 3 movies out of this?
Assuming the MCU retires the Cap character and doesn't recast now that Chris Evans is done.
Think of Midnight Run but with Super Heroes.
Unless MCU wants to continue the character without giving Mackie and Stan the money they would naturally ask for if they were co-headlining a 3 pic franchise.