My Name Is Legion wrote:
It's not clear from the leaked stuff that Spock Prime gave them information about the Botany Bay - in fact, when Spock contacts Spock Prime late in the movie to ask about Khan, it's mentioned that Prime had vowed not to reveal anything about his own universe or experiences.
It's conceivable that Marcus and company got some historical data from the Narada, I suppose.
I guess this makes more sense. I would guess Adm. Marcus was involved from the beginning in some fashion.