CM Punk is revisiting his infamous tweet to WWE Superstar The Miz about his involvement in the company's shows in Saudi Arabia ... issuing an apology to the fans and saying "everything is a lesson learned."
Punk's initial comment came as a response to Miz in a heated exchange in 2019 ... with the former telling the latter to "Go suck a blood money covered d*** in Saudi Arabia you f***ing dork."
Fast forward to Friday -- Punk took part in the Night of Champions kickoff show in Riyadh .