I didn't say IT should be big, or a big monster movie monster. I said it should GO big
In fact, come to think of it, it occurs to me we've never had a Predator preying in an actual war zone. If you want to do a prequel, set it in like '68 in Vietnam, & have it wipe out whole companies on both sides, & the only survivors are 1 Viet Cong & 1 American who only make it because they're tunnel rats, & have to work together, once they figure it out, & if you really want to work that diversity angle, have the Viet Cong be a woman, like the sniper in Full Metal Jacket, hard as nails, & when the whole thing is over, she just looks at the American & says "Now go home" & he just... does. Roll credits.
Shoot, why not have a Predator movie set underwater, where it has to hunt down a Great White Shark pack caught in a tornado or waterspout, something like that?
Cheers,
-CM-