100$ NL TPTK Multi Way pot question

[Percussion]

PokerStars No-Limit Hold'em, $1.00 BB (9 handed) converter

MP2 ($95)
Hero ($105.20)
CO ($99.85)
Button ($116.95)
SB ($20.15)
BB ($99.30)
UTG ($102.55)
UTG+1 ($80.10)
MP1 ($211.35)

Preflop: Hero is MP3 with A[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">2 folds</font>, MP1 calls $1, MP2 calls $1, <font color="#CC3333">Hero raises to $4</font>, <font color="#666666">4 folds</font>, MP1 calls $3, MP2 calls $3.

Flop: ($13.50) 4[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/heart.gif[/img], J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
MP1 checks, <font color="#CC3333">MP2 bets $4</font>, <font color="#CC3333">Hero raises to $12</font>, MP1 calls $12, MP2 calls $8.

Turn: ($49.50) 5[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>

MP2 bets 8$




Can MP2 be weak-leading with the only realisitic drawing hand (56) or is he looking for me to re-raise the turn?
I think re-raise is blocked beacuse MP1 cold called a re-raise!