It's an Akira reference. Basically it means the entire olympic arena and most of the city is built in will implode. It's not very funny given the rape before the punch line, though.
...Well, at least they got to the point of explaining their plot by the second page, and that's about where I kind of just nodded and skimmed over it.
The last panel? Almost makes me feel like he's referring to me for actually reading this, but okay.