Mark WahlbergMichael Bay The Transformers are back. The latest outing in the Paramount-Hasbro franchise reteams director Michael Bay and star Mark Wahlberg. Transformers 5 opens everywhere in the U.S. on Wednesday. It's just the latest big-budget Hollywood tentpole to unfurl at the summer box office hopes to overcome any sequel fatigue in the U.S. by transforming into a monster overseas. Transformers 5 is projected to take in between $70 and $75 million at the North American box office.