So what's the goss?
20 odd years after the original Jurassic Park's collapse a new dinosaur park has been built in its place on Isla Nublar (for the uninitiated, Lost World and JPIII took place on Isla Sorna AKA "Site B", we've not revisited Isla Nublar since the first movie). Jurassic World is a successful attraction but the blasé (or perhaps jaded) people of the world have grown bored and visitor numbers are falling.
In an attempt to create a sensational new exhibit which will get Jurassic World the attention of the world once more, the park's scientists have developed a new dinosaur (possibly called Diabolus Rex). And that seems to be where things go wrong...
There was a lot of fanboy rage when the concept of a "genetically enhanced" dinosaur was first mooted. However, as Colin Trevorrow has implied, this is actually a concept from the original Michael Crichton novel.
In a scene near the end of the book Henry Wu, the much put upon genius behind the successful cloning of dinosaurs, laments that John Hammond will not let him further augment his creations to make them more entertaining and less dangerous. Though Hammond is keen on an authentic experience it transpires that the current "versions" of species in the park have already been manipulated to be more palatable to prospective visitors as it was felt that the speed and aggression "real" dinosaurs (i.e. the first batch that Wu created) would not be in keeping with visitor's expectations of slow and plodding creatures that early paleontologists had theorised about.
And with Henry Wu due to make a return appearance in Jurassic World, it seems likely Hammond's passed away and his "talents" are being used to their fullest (though, of course, it may be his character will be the one who understands the dangers of what is being done and tries to stop it).
So I'm pretty stoked to see exactly what this new dinosaur looks like. With big crowds and new exhibits I'm pretty sure the opening scenes are going to look pretty fantastic.
I'm particularly looking forward to at least a glimpse of a mosasaur or two! My ten year old self, sat there reading Jurassic Park and desperately looking forward to the original movie, would be very proud of my high levels of excitement. :) Roll on my birthday week 2015... (well timed there Universal!)