Despite having already announced his international retirement, the 39-year-old Inter Miami star was on Tuesday (Wednesday AEST) named in Lionel Scaloni's 28-man Argentina squad ahead of three home friendlies.
Messi has yet to confirm whether he will join the team, but the head of Argentina soccer said the icon accepted the invitation for the October 6 game against Benin in Buenos Aires for what will be a grand finale.
"After a conversation with senior national team coach Lionel Scaloni, we decided to invite the best player in the world - our icon, our captain Lionel Messi - so that he can have the farewell he deserves on October 6," said Claudio Tapia, president of the Argentine Football Association.
Messi led Argentina to the 2022 World Cup title and helped the Albiceleste reach this year's final.
"Furthermore, having received Lionel's acceptance, we want to invite all the Qatar World Cup champions to join him, along with their families, to witness the 'last tango' of the world's best player," Tapia said.
Earlier, Argentina had announced they would face Bolivia, Burkina Faso and Benin in their first batch of friendly matches following Messi's retirement from the national team after a 21-year spell.
The country's soccer association said the home match against Bolivia will take place on September 30 at the Mario Alberto Kempes Stadium in Cordoba.
The Estadio Monumental in Buenos Aires will host the friendlies against Burkina Faso and Benin on October 3 and October 6, respectively.
Focus also turns to the future of Scaloni, whose contract expires in December.
Scaloni had hinted he might step down after the 1-0 loss to Spain in the World Cup final on July 19.
Three Argentina players - Leandro Paredes, Nahuel Molina and Thiago Almada - were recently handed bans by FIFA for a scuffle after the World Cup final, with Paredes receiving a 10-match suspension.
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