Prompt
"Generate an image of a cinematic poster for the film 'Oppenheimer', directed by Christopher Nolan, featuring Cillian Murphy as J. Robert Oppenheimer in a contemplative pose, with a backdrop of the Los Alamos desert landscape and a subtle nuclear explosion in the distance, symbolizing the film's themes of nuclear weapons, ethics in science, and the complexities of Oppenheimer's life, in a gritty and realistic style reminiscent of IMAX cinematography."