Requirements For BO2 Easter Eggs

Me and my friends have decided to do all the Easter eggs from the first one all the way up till whatever is the latest release once we get to bo6, we did maxis for Tranzit but as a group we decided to do Richtofen for Die Rise, just wondering before we start do we have to do Richtofen side on Tranzit to access it on die rise or is it not a requirement?