Things Really get Real New X-Men Ultimate Collection # 2 - Book 2 At first the book continues directly from the previous one. We learn that Prof X can walk because Xorn healed his spine (although I thought it was that his legs were crushed? Perhaps that was retconned at some point). Prof X is working on a Cerebra upgrade to telepathically remote-control mutants to help them get out of dangerous situations? No possible way that could go wrong! Sometimes Xavier really does carry the idiot ball. (Although it ends up not being a plot point so far)