If there is one video game IP nintendo should own, wich one?

[AlfredoTurkey]

97alexk said:

So i been thinking if nintendo could revive or make some old IP's popular again. I been thinking of Castlevania and Mega Man because i see both of those having huge potential with Nintendo.  So wich video game IP would you want to see nintendo aquire and why? :)

Call of Duty. Why? Marketshare.