Warning: The following contains possible spoilers for "Captain America: Civil War."

Marvel's upcoming "Captain America: Civil War" will pit Chris Evans' Steve Rogers against Robert Downey Jr.'s Tony Stark in an epic super hero vs. super hero conflict. But what spurs this initial dispute?

In the famous comic book story line, an incident involving a group of callow super heroes causes the deaths of hundreds of innocent civilians. This motivates the government to organize the Super Hero Registration Act, forcing masked vigilantes to reveal their secret identities, in order to more closely monitor and control those with special abilities.

According to Heroic Hollywood, something similar will go down in "Civil War."

"The rumor is, according to trusted sources, the international incident in the film involving the Avengers that results in collateral damage involves Captain America and Scarlet Witch who are trying to apprehend Crossbones," Umberto Gonzales wrote. "The only problem is that Crossbones is wearing a suicide vest full of nasty explosives. In order to protect the civilians on the ground, Captain America orders Scarlet Witch to levitate Crossbones above ground. She does and unfortunately unable to contain the massive explosion that sets off near a populated building causing death and destruction."

Marvel has made an effort to showcase public backlash against our titular heroes in recent films such as "Avengers: Age of Ultron" and "Ant-Man." Apparently, the events in "Civil War" act as the last straw as several governments reportedly band together to try and regulate super hero activity. This plants the seed for the fight between Captain America and Iron Man with Rogers believing the Act infringes on civil liberties while Stark fears further damage caused by heroes following the events in "Age of Ultron."

"Captain America: Civil War" will hit theaters next year on May 6, 2016.