I think each level has its own atmosphere. Therefore, we should really have a dark mission, like in H Contracts in general (I mean, we are talking about murder here) : no humor, few light, lot of blood & crazy characters. A level of this magnitude could totally be all the rage, the marketing could do the job and we would leave that "Bond feeling" (charismatic character, lot of humor, a lot at stake, casual).
Concerning the story, we are condemned to be frustrated. Indeed, we barely know the plot, this is only Season 1. Personnally, I'm shocked by the gap of tone between the cutscenes & the main missions. I think Vogt leads us toward the roots of 47 but forgets all of the previous games (Victoria, The Franchise, Travis at the ICA, etc).