As of now, there is no official statement from James Gunn confirming that DCU's Superman could kill if forced. However, James Gunn, who is overseeing the DC Universe (DCU) under his new cinematic vision, has previously discussed the character's moral complexity and the potential for him to face difficult choices in future films. Gunn has emphasized a more mature, grounded, and emotionally nuanced take on Superman—inspired by the character's classic ideals but adapted to modern storytelling. In interviews, he has suggested that Superman might not always have a "perfect" moral line, especially when confronted with threats so great they endanger billions. This opens the narrative door for the possibility that, under extreme circumstances, Superman might consider or even take lethal action—though not without deep personal cost. It's important to clarify: This isn't a reboot of Superman as a killer, but rather a psychological and ethical exploration. Gunn has stressed that Superman would still be a hero at heart—someone who values life and seeks peace. But if faced with an unstoppable villain (like a god-like being or a force threatening to destroy Earth), the question becomes not just "can he kill?" but "would he sacrifice his principles to save the world?" So while the idea of "Superman killing if forced" is speculative and not confirmed, it reflects a thematic direction Gunn might explore: the burden of absolute power, the cost of sacrifice, and the moral weight of being the last son of Krypton. Stay tuned for official DCU releases, including Superman (2025), for more on how this version of the character will be portrayed.