Power Struggle (2015) was a professional wrestling pay-per-view (PPV) promoted by New Japan Pro Wrestling (NJPW). The event took place on November 7, 2015, in Osaka, Osaka, at the Osaka Prefectural Gymnasium and featured nine matches, two of which were contested for championships as well as the finals of the 2015 Super Jr. Tag Tournament. In addition to airing worldwide through NJPW's internet streaming site, New Japan Pro Wrestling World, the event also aired in Japan as a regular PPV through SKY PerfecTV!. It was the fifth event under the Power Struggle name.

Power Struggle featured nine professional wrestling matches that involved different wrestlers from pre-existing scripted feuds and storylines. Wrestlers portrayed villains, heroes, or less distinguishable characters in the scripted events that built tension and culminated in a wrestling match or series of matches.

Power Struggle was main evented by Shinsuke Nakamura defending the IWGP Intercontinental Championship against Karl Anderson. After regaining the title from Hirooki Goto on September 27, 2015, at Destruction in Kobe, Nakamura was immediately confronted and challenged by IWGP Tag Team Champion Karl Anderson, who noted he had defeated both Nakamura and Goto during the 2015 G1 Climax and therefore deserved a title shot. The challenge was promptly accepted by Nakamura. The following day, it was announced that the match would be taking place at November's Power Struggle. Prior to the title match, NJPW played up Nakamura and Anderson's long history together, which included them training together at NJPW's dojo in Los Angeles at the start of their careers. Much like the previous year, the IWGP Heavyweight Championship was not be defended at Power Struggle, giving the IWGP Intercontinental Championship match the main event spot. Nakamura announced that should he get past Anderson, he would next defend the title at January's Wrestle Kingdom 10 in Tokyo Dome in an open challenge. It was teased that the challenger would show up at Power Struggle.

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