YOU REALLY NEED TO KNOW ABOUT THE CAT?” Brie Larson asks. The cat in question, whose name is Goose, a nod to Tom Cruise’s sidekick in Top Gun, is the constant companion of Larson’s superhero, Captain Marvel, in the upcoming film of the same name. And the thing is, I do need to ask about the cat, because even though it’s animatronic, it’s just so real, with soft fur, beady eyes and whiskers that are a little worse for the wear. The robotic cat is actually the understudy to four real cats on set, since you can teach each cat only one trick. There’s Reggie, for closeups; Archie, for cuddly shots; Gonzo, who will walk up to your leg and nuzzle it; and Rizzo, the cat who claws at your…