Chile, ranked 37th in FIFA chart, and Venezuela (56th) are the other teams that the 57th-ranked Indians will face in the November 25 to December 1 tournament to be held in Manaus, Brazil.
Real Madrid midfielder Vinícius Júnior was named as Firmino’s replacement on Friday.
29-year-old Coutinho was sidelined by a knee injury, but has recently resumed playing regularly with Barcelona.
Some of them are already on the radar of Brazil coach Tite and have had impressive performances in the first half of the Brazilian championship.
The committee released a statement condemning attitude of the players and the Brazilian soccer confederation after the team beat Spain in the final to win gold.
Brazil's extra-time victory over Spain in the final was a fitting climax to an entertaining 17 days of men's Olympic football.
Now coach Tite will have to rethink some of his alternatives, as he promised to use Copa America as a testing ground ahead of the World Cup in Qatar.
Brazil and Argentina will face off for the fifth time in a tournament final when they determine which team will carry the Copa America trophy out of the Maracana Stadium on Saturday.
Paqueta scored the winners against Chile and Peru in the knockout stage, played in five out of six matches and became a frontrunner to take a position that once belonged to Philippe Coutinho.
The pandemic, the last-minute hosting, some unimpressive matches, and the fact that the most popular broadcaster is not showing the Copa America have cut down the fans' interest.
Peru were non-existant as an attacking force and when they did manage to win a corner just after the half hour, they ended up playing the ball all the way back to Gallese.
Marta said after the friendly in Spain that all players and members of the coaching staff made the decision to speak out.
Captain Casemiro is yet to find out whether he will play as defensive midfielder next to Douglas Luiz, Fred or Lucas Paqueta.
Chile lost midfielder Arturo Vidal to COVID-19 only two days before the clash against its rival. The same reason forced Lasarte to leave defender Paulo Díaz out.
Brazil leads the South American qualifying group with four wins from four matches, two points ahead of Argentina.