From the language being used, it appears that Mark Wahlberg is signed up for Transformers 5, and maybe 6 & 7 as well... which would make it four movies for him, compared to three for Shia (whom I'd have to imagine would appear again in a future movie - the character was way too significant to the Autobots and Decepticons to be erased from history).
There's an article here about it, and a video clip here.


I was wondering where Transformers would rank as a film series if it gets to 7 movies, in terms of how many film series has had more movies, and found that there are quite a lot... meaning that Transformers would need to get to "Transformers 90" to get the record.

But in terms of the most profitable film franchises, Transformers is currently at number 7 (but that includes the 1986 movie, which brings down the average from US$939 Million to US$752 Million).
So if they do another three and do as well as the current average of US$939 Million for the current series, the franchise could climb one or two spots on the table... but, the three above it have future movies as well, which will keep earning them more money too.

It's worth noting that in terms of global box-office takings, the 4 Live Action Transformers Movies are second highest in terms of average earnings (even to other franchises that also take out earlier, poor performing, unrelated movies like the 1986 TFs movie is to the Live Action ones)... just being beaten by the Harry Potter franchise by $26 Million (a mere 3% difference).
If the Harry Potter Prequel trilogy doesn't do as well as the main eight movies and brings down its average, Transformers would then become the most bankable/invest-able "contemporary" (current/future) franchise.
As polarising as Michael Bay is, that's certainly a statistic in his favour that could see him as one of the most bankable movie directors (those are just US takings though, but Global takings shouldn't be much off).
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