Back at 7:42, with two of hollywood's legendary action stars in a heated war of words. Sylvester stallone slamming bruce willis, after a dispute of their blockbuster story. Linzie janis has the story.... See More
Back at 7:42, with two of hollywood's legendary action stars in a heated war of words. Sylvester stallone slamming bruce willis, after a dispute of their blockbuster story. Linzie janis has the story. Reporter: It's the clash of the action heroes. Sylvester stallone, versus bruce willis. It's a party time. Reporter: The testosterone spilling off the silver screen and into an online brawl. Happy trails, hans. Reporter: The rocky star throwing verbal punches after revealing that willis will not be riding shotgun in "expendibles 3." The guy that pulls the strings. And everyone else does your dirty work. Reporter: Willis will be replaced by 71-year-old indiana jones star, harrison ford. A decision that apparently pleased sly. In a twitter smackdown, he implies willis is getting what he deserves. Second later, he writes, greedy and lazy. No one is saying what the exact reason is. Stallone made reference to being greedy. Bruce willis probably asked for more money. And they weren't willing to give it to him. Reporter: Some believe that stallone's tweet was more like the action of a teenage girl, than a butt-kicking hero. I'm not surprised that sylvester stallone has frustrations. Imsurprised he went public with it. It's rare you see something like that so aggressive on twitter. Reporter: Nobody is expecting the "die hard" star to go down without a fight. Yippee-ki-yay. Reporter: For "good morning america," linzie janis, abc news, new york. Yippee-ki-yay, indeed. The two, "expendables" movies have taken in $60 million worldwide. Coming up, beyonce, revealing a dramatic change to her signature look. We'll show you the new pictures she posted, just ahead. And "the play of the day."
This transcript has been automatically generated and may not be 100% accurate.