• Manny Pacquiao

Manny Pacquiao (Photo : REUTERS/TYRONE SIU)

"Expendables 4" should happen, according to "Terminator" star Arnold Schwarzenegger and "Furious 7" star Jason Statham.

 In an interview with USA Today, Schwarzenegger described "Expendables" as "a terrific franchise." He revealed that he told Sylvester Stallone to either write another sequel or have somebody else write another one, which should be "a really terrific story."

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For Schwarzenegger, "Expendables 4" is a must because it is "a great idea to have an ensemble piece with that many action heroes in a movie, especially if the comedy is really done well."

"It could be a great story," Schwarzenegger said. "There's definitely room for another one."

Playing the role of Lee Christmas, Statham also said he is interested in returning to "Expendables 4."

"Working with Sylvester Stallone is beyond a pinch yourself moment," Statham told IGN. "I remember growing up watching his films. And to be directed by him and to be in a movie that he's produced and to be shoulder to shoulder with Sly is a privilege any man who loves action movies would never turn their nose up at."

Meanwhile, Stallone has showed his support to Manny Pacquiao before his bout against Floyd Mayweather Jr. on May 2, Saturday, in Las Vegas, which is dubbed as "The Fight Of The Century" or "Battle For Greatness."

While Pacquiao is currently the eight-division world champion, Mayweather Jr.  is an undefeated five-division world champion.

As appointed by the Nevada Athletic Commission, the in-ring referee in the highly anticipated fight is Kenny Bayless, who has officiated seven of Pacquiao's fights and five of Mayweather Jr.'s fights in the past.