Actor Karthi is basking in the success of his recently released film Sulthan. Directed by Bakkiyaraj Kannan, Sulthan hit the theatres on April 2 and rocked the box office in Tamil Nadu. Karthi has been overwhelmed with the reception for the film and thanked the audience and critics for supporting the film. Now, Karthi has moved on to his upcoming film. For his next film, Karthi has joined hands with director PS Mithran of Hero and Irumbu Thirai fame. In a surprise announcement, Karthi and director PS Mithran unveiled the first-look poster of the film. Karthi will be seen in a never seen before avatar in the film.