How many misions shloud this Campaign have?

[Bloodcount]

Well i don't know if you are farmiliar with the campain I am maiking but i need your opinion on this question: Will it be better to make the Campaign legend by legend(each legend has about 5 or 7 missions) or to make a few legends and then release it?

http://www.thehelper.net/forums/showthread.php?t=107205 there is the thread