You can keep your “Avengers” sequels: aside from the forthcoming “Star Wars” reboot, this was far-and-away my most anticipated film of the year. (For reference, I watch the original “Jurassic Park” at least twice a year and saw it in 3D during the 20th anniversary rerelease). That said, it is a truth universally acknowledged that “The Lost World” was a bit of a letdown and that “Jurassic Park III” was an outright debacle. So does