Mbappe has scored 23 goals in 37 appearances across all competitions for Monaco this season.
Anti-Wenger slogans and images shone on to Gunners' former stadium.
Gunners boss undecided over whether to employ 3-4-3 formation at White Hart Lane.
Arsenal beat Leicester 1-0 owing to an own goal by Robert Huth.
Wenger confident Sanchez will sign a new deal with Arsenal.
Chile international's future is far from certain.
Arsenal have progressed to their third FA Cup final in four years.
Reports suggested that the French outfit were preparing a £20m bid.
Giroud, 30, has scored nine goals in 23 league appearances for the Gunners this season.
Sanchez's future has long been a major topic of discussion.
Arsenal reached their third FA Cup final in four years after beating Manchester City on 23 April.
Alexis Sanchez scores extra-time winner to set up FA Cup final with Chelsea.
Wenger believes players like Oxlade-Chamberlain and Aaron Ramsey have to 'take charge of the club'.
Ramsey started in midfield against Middlesbrough as Gunners moved to a back three.
Welbeck missed Arsenal's win over Middlesbrough on Monday (17 April) due to a toe injury.
Gunners deployed three at the back for first time since 1997 in 2-1 win at Riverside.
Arsene Wenger says talks to extend Wilshere's deal are not linked to his season-ending injury.
Wenger's contract at Arsenal and Kolasinac's current deal at Schalke will expire in the summer.
Sanchez and Ozil will enter the final-year of their contract at the end of the current campaign.
Arsenal are sixth in the league table and seven points behind fourth place Manchester City.
FA Cup clash at Wembley will see Gunners abandon 3-4-3 formation used during Middlesbrough win.
Henry says midfielder N'Golo Kante was right to reject Arsenal for Chelsea.