The one who ambushed Marco was Thundercloud Zeus, a Homie serving as Big Mom's right-hand man.
In the original story, Zeus had been lured away by Nami and never played a major role. But in reality, his usefulness was enormous. First of all, he was a flying vehicle capable of carrying Big Mom through the air. Whether she was pursuing someone or fleeing, he was irreplaceable.
Second was his combat power.
The three strongest giant Homies Big Mom possessed were all incredibly powerful. Prometheus's ultimate move was comparable to Ace's, Zeus's ultimate move was comparable to Enel's, while Napoleon, the bicorne hat, was Big Mom's primary weapon and could unleash Ikokku.
It could be said that Big Mom's two Homies were equivalent to two Logia Devil Fruit users. As her right-hand aides, they could easily clear out the fodder for her and assist her in surrounding and attacking her enemies.
Having these two helpers was like having two Vice Admiral-level assistants at her side at all times. They might not be able to reach Admiral-level strength, but helping Big Mom shoulder some of the damage was no problem at all.
This time, Zeus had been dispatched to cooperate with Brulee, the eighth daughter and user of the Mirror-Mirror Fruit. Their target from the very beginning had been Marco.
This was a trap aimed at Marco, orchestrated by Katakuri and performed by Big Mom's many sons and daughters.
The facts proved that Marco, Whitebeard Pirates' right-hand man, truly had not been vigilant about the skies at all. All his attention had been focused on the sea, while Zeus had cautiously approached him all along. Two Sweet Commanders, Katakuri and Smoothie, had already been lying in wait within the mirror in his mouth.
Thanks to its cushioning properties, Katakuri's Mochi Mochi Fruit