Manori Ravindran International EditorColin Firth and Stanley Tucci star as a couple traveling through England in an old RV visiting friends and places from their past in “Supernova.” Check out the trailer for the film above, shared exclusively with Variety.Written and directed by Harry Macqueen (“Hinterland”), “Supernova” is billed as a modern love story centered on Sam (Firth) and Tusker (Tucci), partners of 20 years who are traveling the country in a bid to reconnect with their past amid