New Transformers 4 Trailer Premiering Thursday, May 15

A new trailer for Transformers: Age of Extinction will be released on iTunes on Thursday, May 15. The announcement was made via the Transformers Twitter account.A new poster for the film has also been released via Den of Geek, featuring the popular shot of Optimus Prime wielding a sword and riding Grimlock.In Transformers: Age of Extinction, an automobile mechanic and his daughter make a discovery that brings down the Autobots and Decepticons – and a paranoid government official – on them.Transformers: Age of Extinction comes to theaters June 27.