Almost 30 years after it helped set new standards in visual effects with its impressive tornados, Twister is finally getting a sequel. Wait, is it a sequel? Dubbed Twisters, the new film is technically described in the official publicity materials as “a current-day chapter of the 1996 blockbuster.” It doesn’t feature any of the surviving cast members from the original film, and instead stars Daisy Edgar-Jones and Glen Powell in what looks more like a kind of reboot of the original concept — they are described as playing “opposing forces who come together to try to predict, and possibly tame, t…