Warner Bros. is banking on Christopher Nolan's highly-anticipated film Tenet being the first blockbuster movie to be released in theaters once the lockdowns amid the coronavirus pandemic end.And on Thursday the second trailer dropped for the action-thriller that stars John David Washington and Robert Pattinson as secret agents who embark on a time-bending mission to prevent World War III.The cast also includesElizabeth Debicki, Kenneth Branagh, Michael Caine, Dimple Kapadia, Aaron Taylor-Johnson and Clemence Poesy.