The Marvel Civil War 1 meme stems from the 2016 film 'Captain America: Civil War,' specifically focusing on the ideological rift between Captain America and Iron Man. The format usually utilizes promotional stills or specific scenes where the two heroes face off, symbolizing an irreconcilable disagreement. It initially gained massive traction on social media platforms as a way for users to illustrate intense but often humorous debates about pop culture, food preferences, or niche lifestyle choices. The template has endured as the internet's gold standard for portraying any two-sided conflict where both parties are equally stubborn in their convictions.