I want a Godzilla vs. Pacific Rim graphic novel

It won't work.

The Pacific Rim lore does not give Godzilla an opening to exist. The first Kaiju in Pacific Rim ever to show their faces came after Godzilla in 2015. Key words being first kaiju.

The Pacific Rim lore, while cool in its own right, does not have room for Godzilla to exist. They'd have to change their lore and backstory, effectively negating the movie they made from ever having taken place in the timeline, in order to make that happen.

That's not something they're going to do.

Correction: The first Kaiju attacked in August 2013.