Dee ihe na-aga n'ihu maka paragraf a - Cena mere nlọghachi na mberede dị ka onye ikpeazụ sonyere na egwuregwu Royal Rumble, merie ya, na WrestleMania XXIV aha ọdịnala, site na iwepụ Triple H. Kama ichere ruo mgbe WrestleMania, a na-agbapụ aha ahụ megide WWE Champion Randy Orton na 2008's No Way Out na egwuregwu Cena meriri site na nkwụsị na, ya mere, a naghị enye ya mmeri. N'abalị na-esote na "Raw", a kpọghachiri Cena na WrestleMania's WWE Championship match na-emeri Orton na egwuregwu na-abụghị aha na Triple H dị ka onye ọka ikpe pụrụ iche, na-eme ka ọ bụrụ egwuregwu egwu atọ n'etiti ụmụ nwoke atọ ahụ, nke Orton tinyere ya. Na Backlash, Cena enweghị ike iweghachite aha ahụ na egwuregwu na-egbu egbu anọ, nke Orton kpochapụrụ ya. N'oge egwuregwu ahụ, Cena kpochapụrụ JBL, na-emegharị esemokwu ha site na 2005. Cena meriri JBL n'ụbọchị ikpe
na mgbe ahụ na Otu Night Guzosie na a mbụ Blood egwuregwu. Cena enweghikwa ike iweghachite WWE Championship site na Triple H na Night of Champions. Mgbe e mesịrị, JBL meriri Cena na New York City Parking Lot Brawl na The Great American Bash na July iji kwụsị esemokwu ahụ. Na August 4 nke "Raw", Cena ghọrọ World Tag Team Champion maka oge nke abụọ, na-esonyere Batista iji merie Cody Rhodes na Ted DiBiase mana ha enweghị ike ijigide mmeri ahụ n'izu na-esote megide ndị mmeri mbụ. Cena meriri Batista na SummerSlam. N'oge na-adịghị anya, a kpọrọ Cena otu n'ime mmadụ anọ na-azọ CM Punk's World Heavyweight Championship na Championship Scramble match na Unforgiven, mana Rey Mysterio nọchiri ya mgbe ọ tara ahụhụ diski herniated na olu ya na egwuregwu ya na SummerSlam, nke chọrọ ịwa ahụ. A wara Cena ahụ nke ọma iji mezie mmerụ ahụ.