This takes the desperate duo, who have all the chemistry of two antimatter particles, through picturesque areas of Florence and Venice (where the tourists might be mistaken for a population explosion) and finally to Istanbul, where a climactic sequence in that city’s ancient subterranean Basilica Cistern-and a flagrant deviation from the climax of the book-lifts the film from borderline gibberish to flamboyant chaos. Brooks-is being chased by fanatics who want to solve the population problem with a virus that will kill almost everyone on the planet. In the riveting official trailer for the Dan Brown novel adaptation Inferno, Scientist Bertrand Zobist (Ben. Instead of being chased by fanatics who want to blow up the Vatican with a pulsating blob of antimatter, as in the 2009 “Angels & Demons,” Robert-accompanied by Dr. Watch the Inferno - Official Trailer (2016). He’s back as the Harvard symbologist Robert Langdon, who wakes up with amnesia in an Italian hospital, sees the Duomo through the window and asks his doctor, Sienna Brooks (Felicity Jones), “What am I doing in Florence?” An answer is soon forthcoming. In other words, more of the same, though less fun than the last installment, unless you thrill to incoherence-even the flashbacks in David Koepp’s screenplay have flashbacks-and relish the spectacle of Tom Hanks looking generally miserable. It’s a scorcher of a week at the movies, with new releases that include “Inferno,” “Into the Inferno” and “Fire in the Water.” Still, “Inferno,” Ron Howard’s latest rendering of a Dan Brown book, takes the hotcake for febrile chases and an overheated stew of prophecies, visions, omens and revelations garnished with indigestible gobs of arcane info.