James Gunn gave Peacemaker fans some good news this week, revealing how long the Season 2 finale of the upcoming HBO series will be. How long is the Peacemaker Season 2 finale? In a recent reply to a fan on Threads, a fan told Gunn that they were disappointed about Peacemaker Season 2’s penultimate episode being only 33 minutes long. Peacemaker Season 2 largely follows the continued adventures of the character played by John Cena. However, the trailer for the HBO series did tease Peacemaker finding a new dimension in which he is actually a beloved hero.