Godzilla 2014 vs. Pacific Rim Movie Trailer

Here's a really cool, fan-made trailer for a Godzilla 2014/Pacific Rim crossover movie called "Ring of Fire". It uses footage from both Pacific Rim and Godzilla trailers and is really good. However, you might like to read this:
4 Reasons a Pacific Rim/Godzilla Crossover is a Bad Idea

We've seen crossover fan-art and we'll probably see it in the comics. What might be.