200nl: 3 bet AK vs 2 tight players...BOTH call, AK UI on flop

[Mr_Donktastic]

This is probably real easy but I've been mostly playing HU and live lately so I'm kinda rusty. Both players are very tight, like 13/8 and 8/3...

PokerStars No-Limit Hold'em, $2 BB (9 handed) internettexasholdem.com

MP1 ($338.15)
MP2 ($403.45)
MP3 ($236)
Hero ($211)
Button ($199)
SB ($48.80)
BB ($189)
UTG ($351.30)
UTG+1 ($158.85)

Preflop: Hero is CO with K[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/spade.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">MP1 raises to $8</font>, MP2 calls $8, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $32</font>, <font color="#666666">3 folds</font>, MP1 calls $24, MP2 calls $24.

Flop: ($99) 3[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
MP1 checks, MP2 checks, Hero ???

Is a cbet here just spew vs these players?

What if just one of them called?