Complex sentence: On April 30th 2012, it was announced that Mike "The Miz" Mizanin will be replacing Randy Orton as the lead in the film, it was believed to be John Cena for a while after he announced he was taking time off but that never happened.
Split into simpler sentences: On April 30th 2012, it was announced that Mike "The Miz" Mizanin will be replacing Randy Orton as the lead in the film. It was believed to be John Cena for a while after he announced he was taking time off, but that never happened.