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Michael Bay has denied reports Transformers 4 will be a reboot, insisting they are "wrong".
The director recently announced Mark Wahlberg would be heading a new cast in his fourth film in the robot franchise, which will be set four years after Transformers 3, and will not be a retelling of the original story.
Michael told Forbes magazine: "We keep the Transformers the way they were, it's just four years later. There's a reason the Transformers are redesigned. We're trying to broaden the franchise and give it more places to go."
He added: "We're going to start off smaller. There's a brand new cast. To freshen the franchise we've redesigned everything from top to bottom. The history of the first three movies is still there, we start four years later and there's a reason why we're meeting a new cast.
"Mark is really excited about it and it's a great redesign."
The director admitted he had intended to pass on the baton of the Transformers franchise to a new director for this new chapter in the story, but he has found it impossible to let go.
He said: "I said that 3 was going to be my last one. Paramount was letting me do Pain And Gain and the Transformers ride was opening at Universal and it was bittersweet to think of passing it off.
"I wanted to set it up on a really sure footing and to bring someone else in on that, it would have been overwhelming."
