LOS ANGELES: Director Michael Bay has been roped in by Paramount Pictures to helm two films "Pain and Gain" and "Tranformers 4".

Bay will commence shooting this spring on "Pain and Gain," then follow with the next installment in the "Transformers" franchise, to be released in the summer of 2014, reports variety.com.

"Pain and Gain", based on a true story, follows a group of bodybuilders, who are engaged in a campaign of kidnapping, extortion and murder in Florida. The film stars Mark Wahlberg and Dwayne "The Rock" Johnson.