Common AKo situation where I'm still not sure

[Paluka]

Consider to be Partypoker 30-60 through 100-200. Assume your opponents are not regulars, so you don't realy know them and they don't know you. From observation you would guess they have a clue but are not particularly good, as their stats make them look okay but they have all made questionable plays. Overall you don't have a ton of information on them.
MP raises, MP cold calls. You 3 bet with AKo on the button. BB calls the 2 raises, and the other 2 players call. 4 to the flop.
The flop comes and you don't make a pair. They all check to you.
What sort of flops will you check behind on?