I doubt that. I'm pretty sure the customization feature will not be fully complete at AC release and they'll be adding more stuff over time.
Then for console release they could rework the whole customization feature for all we know.
So don't be surprised if you won't be seeing anything major in that regard when the game releases in AC.
Also, nothing has been confirmed regarding 2P costumes, it's just AAK derailing threads

And even if they aren't there initially and/or won't be implemented during its Arcade run, console release will have plenty of new stuff added, 2P (3P, 4P...) costumes might be part of that, DLC or not.
Can we just go back to admiring the graphical fidelity? It deserves all the praise it's getting.