UFC president Dana White was asked about Brock Lesnar being involved in WWE '12. Here's a paraphrase of White's comments:
WWE asked, what does it hurt me? He's still in my game too. Yes, the line is crossed if WWE wants him on pay-per-view. He'll never wrestle while he is under UFC contract.
You can watch his comments embedded in the video below:
Thanks to Wrestling News World reader Patrick Peralta for sending the video link.