Lorenzo Di Bonaventura is one of the more prolific producers in Hollywood. In addition to producing the Transformers franchise and Red, di Bonaventura also produced the upcoming thriller Man on a Ledge. Our correspondent Sheila Roberts was able to speak with di Bonaventura during a roundtable conversation at the press junket for Man on a Ledge and while we’ll have the full conversation up closer to the film’s release, we wanted to share a few tidbits with you today. In addition to confirming development on Transformers 4, the producer revealed that Bruce Willis is likely to star in the shoot-em up Five Against the Bullet. Hit the jump for the details.