When Tirzah leans forward over the rail to get a better view of the governor, she accidently loosens a heavy roof tile which breaks off.It was also the first film to feature the killer "Jason" in his signature plastic, grimy hockey mask (a Detroit Red Wings goalie mask) - previously in the second film, he covered his face with a one-eyed pillow-case.Claire was astonished to see that the lab was still being evacuated, as Hoskins and his workers were still packing embryos into refrigerated crates.Outside the cell, Cyclops fought against the prison guards but was knocked out by Stryker""s powerful assistant, Yuriko/Deathstrike.