How do I proceed with AK in 4bet pot oop vs 2 player

I think your pre-flop 4bet sizing is fine. Little bit nasty that both players calling in the end.

The flop is extreme wet and I think it will be tough to get value against 2 players, but I think we need to protect our hand with a small Cbet. If we bet like $6 we can still fold on a shove.
With a shove like now you are in best case against a flush draw, but I expect you get only action of better here.

Cheers,
SDK1987

Pre is fine.
Post is fine.
No need to get fancy here postflop by betting small, you let AxQd or similar hands /w 1 diamond basicly freeroll.
MP seems fishy, by shoving you deny akward turn spots(i.e. diamond turn).

Besides we're happy when we just take it down on the flop, if he calls /w diamond draw we're still ahead.
If he outflopped us, good for him making a very bad play preflop.

I think your line is ok against 1 player but against 2 I'd prefer a small bet OTF too and fold to a raise.

Pre flop 4 bet and sizing is perfect.

On the flop i dont like the open shove at all. What worse do you expect to call you ? Anything that calls is either beating us or likely to be ahead or have a ton of equity.

Its a disgusting pot, against 2 other opponents tread with caution. I like a small bet on flop and fold to raise. I dont mind pot controlling and checking here and calling a reasonable bet on the flop but its unlikely that can happen. This is a horrible spot.

Hi. I would not consider flatting pre, we want to isolate with fish (mp), secondly ako is a clear 4b, we really dont wanna play this hand oop mw. Otf its interesting, i would either c/shove or ship it like u did.

Could you please tell me how you choose your 4 bet sizing?
In this case Hero chose exactly 3 times as much the 3bet. Sometimes players use between 2.2-3x for 4 betting as far as i know (would you go to higher end when facing 2 players and to the lower end when your facing 1 player??). Suppose itd be higher if you are in OOP.
This is something i will have to incorporate into my poker game and understand a bit more as i havent been doing it as much as i should have.