PSG head coach Unai Emery seemed as unfazed as Mbappe by the incident, and felt his star forward handled himself well.
"I think their reaction said it all", he said.
Mandzukic fired his unstoppable volley on the grandest stage of all, with his side trailing the most storied team in the competition's history, Real Madrid, in the final.
PSG, who have so often flattered to deceive among Europe's elite, looked genuine contenders to make a run for the title as they mercilessly picked apart their opponents.
Indeed, in the end it was Neymar and the visitors who had the last laugh, as they ran riot on a miserable night for Celtic in Glasgow.
When Celtic beat Barcelona in 2012, he was at the side of the pitch.
PSG's pressure soon paid off but Neymar's opener wasn't without controversy.
Police Scotland said a 21-year-old man was charged with pitch incursion and assault, and was taken into custody.
Emery had identified Leigh Griffiths as the danger man for Celtic before the game and the striker came close to an equaliser when his curling free-kick was tipped over by Alphonse Areola.
Cavani piled more misery on Celtic in the 40th, sending Gordon the wrong way from the spot after Jozo Simunovic's foul.
PSG have also been charged after their fans were accused of breaking seats at Celtic Park.
Conte was able to rest Alvaro Morata and David Luiz for the game, while Eden Hazard also got a run-out after making his debut this season against Leicester City on Saturday [9 September], where he played for 12 minutes.
L'Equipe's front page shouts out "Le Park des Princes" and whilst they don't spend too much time talking about Celtic as a team, the ratings certainly aren't pretty.
The bickering continued for most of the match as Celtic eventually capitulated, Brendan Rodgers' side slumping to their worst ever European defeat on home soil and conceding five goals at home for the first time since the late 19th century.