So there are two Predators in this movie. One is actually a really cool looking, practical effects "guy in a suit" Predator, who has stolen something from his people to help humanity survive. The other Predator is 11 feet tall and is completely CG. When some reviews said that the climax reminded them of the terrible CG from "The Mummy Returns" they weren't fucking kidding.
When the big Predator is killed at the end, they discover this capsule and the kid, who is 8, is now working with the army to decode the Predator language. The capsule starts opening and the kid is like "WAIT ITS TRANSLATING!"
This is built up so terribly that I literally thought that a Terminator was about to pop up and the kid was going to say, "THEY CALL IT SKYNET!" or some shit.
The kid then says "They call it....THE PREDATOR KILLER!" and a tiny gauntlet floats out of the capsule. It then slaps onto a nerdy scientist's arm and starts forming around him like Iron Man except it looks like a Predator, only he has giant claws and about 8 shoulder guns that practically reach half way up to the ceiling. It looks so amazingly horrible, I can't even describe it.
The scene, and movie, then ends with McKenna Sr. saying, "I HOPE THEY MAKE THAT IN A 42 LONG!"