This is the complete storyline for the Roman Reigns vs Drew McIntyre Match at WrestleMania 35.
#1 RAW- 4 March 2019: Roman Reigns returned to WWE a week before after his Leukemia went into remission. He tried to reunite the Shield but Dean Ambrose did not agree to it. Drew McIntyre, flanked with Baron Corbin and Lashley, attacked Roman and Seth Rollins. Ambrose came to their rescue and the Shield Reunited.
#2 Fastlane 2019: The Shield won their last match together against McIntyre, Corbin and Lashley.
#3 RAW- 11 March 2019: As Roman came out for this first singles match against Corbin, McIntyre attacked him and left him in a dire state. An irate Ambrose faced McIntyre in a Falls Count Anywhere match which McIntyre won.
#5 RAW- 25 March 2019: Roman came face to face with McIntyre and accepted his challenge. Although, McIntyre again took him down in a brawl afterward. Ambrose again challenged McIntyre for a Last Man Standing match and McIntyre again won.
#6 RAW- 1 April 2019: McIntyre attacked Roman Reigns backstage.