The poster sparked a controversy as it featured Aamir Khan posing almost nude with only a transistor covering his private parts. The poster was criticized for allegedly promoting obscenity. A PIL was filed in the court by the All India Human Rights and Social Justice Front to ban the release of the film. The Supreme Court dismissed the plea and gave the movie a green signal.[24] There were also allegations on the poster being copied. It had similarities with the poster of a Portuguese musician named Quim Barreiros, which was released way back in 1973. PK Full Movie

The second poster of was launched on 20 August 2014 at an event in Mumbai. This poster was also released in the form of motion poster on YouTube. The new poster featured Aamir Khan wearing traditional Rajasthani attire, also sporting dark glasses and holding onto a brass tenor. The promotional strategy for the movie was revealed by the makers at the launch of the second poster. The 3rd motion poster introduced Sanjay Dutt as Bhairav Singh. The 4th motion poster Anushka Sharma along with Aamir Khan released on YouTube 16 oct 2014. The poster introduced Anushka Sharma as Jagat Janani Aamir Khan stated that PK will have a poster campaign in which a new poster will be introduced every two to three weeks. By the time the movie releases, 8 to 10 posters will be launched. The teaser released on 23 October.