According to Fans Share
, Mark Wahlberg
's biggest challenge to date is Transformers 4
Wahlberg explained, I think it will be the most challenging role that I've played and it's an opportunity for me to do something extremely different. It's going to be very different from what the first ones were. I'm excited about it. When I talked to (producer) Steven Spielberg and Michael and said, 'Don't worry guys, this is not me taking a paycheck and running with it. This is me trying to do something different.
In addition, Wahlberg's children demand to be in the movie!
It's the first time they've ever been excited about me going off to do a movie, and they demand to be in it, he added.