Mumbai: Rumours are rife that Bollywoods darling, Alia Bhatt, may be making a cameo in the action-thriller War 2, further expanding the ever-evolving YRF Spy Universe.The film, helmed by Ayan Mukherji and bankrolled by Aditya Chopra under the YRF banner, stars Hrithik Roshan, Jr NTR and Kiara Advani in pivotal