2019 NISSAN NV Engine Problems

I was driving 75MPH down the interstate when out of nowhere my engine started acting funny. It started to slow down and then the check engine light came on. As we were exiting the engine started stuttering. We were able to get it to a gas station. It was towed to a mechanic where they found that there were multiple cylinder misfires. They also found a hole in the cylinder head/valve cover. With the vehicle slowing down on its own it could've caused a wreck. The stuttering on the offramp put my family at risk of being hit while trying to turn onto the street for the gas station. I do not believe the problem has been reproduced since it has been towed since then. We are taking care to not drive or cause any further damage to the vehicle. The check engine light turned on as the vehicle began...