Godzilla and Pacific Rim is the crossover we deserve. In a just, good world, there would be five movies of this, just Jaegers and Godzilla, first enemies, then friends, then frenemies, and then, just when you think it gets old, in space.
Source: Gizmodo – This Pacific Rim/Godzilla Crossover Poster is a Glimpse into the Kaiju Utopia of My Dreams