Give it afew more years, he just wants to get a hype train going the size of Duke Nukem 4ever's.
id be overjoyed with just seeing some familiar faces and whatever jokes and references there are even if they are outdated. specially if they are, I have that bittersweet melancholic nostalgia and it needs feeding.
^ This, basically. But, much like the people on this forum, the game tends to ebb and flow around too.