A single studio of many. From Wikipedia: "Srinivas Mohan is the visual effects supervisor of the film, along with Framestore and the Moving Picture Company (MP

A single studio of many. From Wikipedia: "Srinivas Mohan is the visual effects supervisor of the film, along with Framestore and the Moving Picture Company (MPC), the film's principal visual effects studio.[112] Alzahra VFX, NY VFXWaala, Redefine, Knack Studios, Makuta VFX, Digital Domain, Rhythm and Hues Studios, Method Studios, Rodeo FX, Technicolor VFX, Legend3D, The Third Floor, Inc, Clear Angle Studios, Halon Entertainment, 4DMax, and Cinesite, among others, are responsible for some of the other visual effects in the film."