In "Rocky III," released in 1982, Rocky Balboa faces a new challenge as the reigning heavyweight champion. After a series of successful title defenses, he becomes complacent and loses to the fierce contender Clubber Lang, played by Mr. T. This defeat forces Rocky to reevaluate his training and determination. To regain his title, Rocky seeks help from his former rival, Apollo Creed. Together, they work on Rocky's skills and mindset, leading to a climactic rematch against Clubber Lang. The film explores themes of resilience, friendship, and the importance of hard work in overcoming obstacles.