[8] On the February 12 episode of SmackDown, The New Day's Kofi Kingston was a last-minute replacement for an injured Mustafa Ali in a gauntlet match to determine who would enter the WWE Championship Elimination Chamber match last; Kingston pinned WWE Champion Daniel Bryan and lasted over an hour before being eliminated.

[7] On the following episode of SmackDown, Kingston was granted a WWE Championship match at Fastlane after pinning Bryan in a six-man tag team match that featured Kingston, AJ Styles, and Jeff Hardy against Bryan, Samoa Joe, and Randy Orton.

[8] The following week, however, WWE Chairman Vince McMahon interrupted the contract signing between Bryan and Kingston.

[10] At Elimination Chamber, The Boss 'n' Hug Connection (Bayley and Sasha Banks) defeated Sonya Deville and Mandy Rose, The Riott Squad (represented by Liv Morgan and Sarah Logan), The IIconics (Billie Kay and Peyton Royce), Naomi and Carmella, and Nia Jax and Tamina in a tag team Elimination Chamber match to become the inaugural holders of the WWE Women's Tag Team Championship.

[11] The following week, The Boss 'n' Hug Connection were scheduled to defend the titles against Jax and Tamina at Fastlane.

[12] The following week, Stephanie declared the title vacant, reinstated Lynch, and scheduled a match between her and Flair for the championship at Fastlane.

[17] On the October 22, 2018, episode of Raw, Roman Reigns went on hiatus due to leukemia and subsequently vacated the Universal Championship.

[18] Later that same night, Dean Ambrose turned on Seth Rollins, feeling that the trio's stable, The Shield, had made him weak.

Afterwards, Baron Corbin and Bobby Lashley joined Elias and McIntyre in their attack on Ambrose until Reigns and Rollins made the save.

Corbin, McIntyre, and Lashley then ambushed Reigns and Rollins, after which, Ambrose returned and aided his former Shield brothers.

[16] The following week, NXT call-ups Aleister Black and Ricochet made their main roster debuts,[11] and then defeated The Revival in a non-title match on the February 25 episode.

[21] After several weeks of feuding, a match between Andrade and Rey Mysterio was scheduled for the Fastlane Kickoff pre-show.

[22] On March 8, a tag team match between The New Day (represented by Big E and Xavier Woods) and Rusev and Shinsuke Nakamura was scheduled for the Fastlane Kickoff pre-show.

[23] Backstage during the Fastlane Kickoff pre-show, R-Truth's manager Carmella was attempting to get people to sign a petition so that Truth could have a rematch for SmackDown's United States Championship, as Truth had lost the title on the previous episode of SmackDown in a fatal four-way match to Samoa Joe, which also involved Andrade and Rey Mysterio.

[25] Also during the pre-show, Kofi Kingston was told that Vince McMahon had wanted to see him in regard to the WWE Championship match on the main card.

[25] In what then became the only match on the pre-show, The New Day (represented by Big E and Xavier Woods) faced Rusev and Shinsuke Nakamura.

[26] Next, Asuka defended the SmackDown Women's Championship against Mandy Rose, who was accompanied by Sonya Deville.

[26] After that, The New Day's Kofi Kingston came out for what he thought was a triple threat match for SmackDown's WWE Championship, after Vince McMahon agreed to put Kingston in the WWE Championship match with Big E and Xavier Woods banned from ringside.

[26] After that, The Boss 'n' Hug Connection (Bayley and Sasha Banks) defended the WWE Women's Tag Team Championship against Nia Jax and Tamina.

After Kevin Owens and WWE Champion Daniel Bryan (accompanied by Rowan) made their entrances, Mustafa Ali was then revealed as the third participant.

[26] In a small filler segment, Elias appeared to sing to the crowd, but was interrupted by Lacey Evans, who walked down the ramp and then exited.

[26] In the main event, The Shield (Dean Ambrose, Roman Reigns, and Seth Rollins) faced Baron Corbin, Drew McIntyre, and Bobby Lashley in a six-man tag team match.

In 2020, Fastlane was removed from the schedule to allow WWE to hold that year's Super ShowDown PPV.

[27] The following night on Raw, The Shield (Roman Reigns, Seth Rollins, and Dean Ambrose) opened the show.

Reigns later was scheduled to have his first singles match on Raw in five months and against Baron Corbin, but was attacked by Drew McIntyre.

[32] Raw Women's Champion Ronda Rousey said she interfered in Becky Lynch and Charlotte Flair's match to embarrass and expose them both.

After the match backstage, The Boss 'n' Hug Connection (Bayley and Sasha Banks) attacked Jax and Tamina.

[29] Banks and Bayley then made a surprise appearance on the March 19 episode of SmackDown, where they lost to The IIconics (Billie Kay and Peyton Royce) in a non-title match.

[33] The champions were then scheduled to defend the WWE Women's Tag Team Championship against The IIconics, Jax and Tamina, and Natalya and Phoenix at WrestleMania 35.

[30][34] On the following episode of SmackDown, Daniel Bryan teamed up with Erick Rowan to take on Mustafa Ali and Kevin Owens in a winning effort.