Messi was in no mood to let this slide and waited for the 20-year-old as the players began to walk off the pitch.
The Barcelona captain stood in the way of Felix as the pair continued to argue, needing players from both teams to separate them.
Ultimately, it was Felix who got the last laugh as his side scored two late goals and progress to Sunday’s final against city rivals Real Madrid.
Atletico strike late
Diego Simeone’s side took the lead early in the second half courtesy of Koke but goals from Messi and Antoine Griezmann seemingly put the Catalan club in control.
However, Alvaro Morata converted a penalty with less than 10 minutes remaining before Angel Correa netted a clinical winner for Atletico in the 86th minute.
There is a new format for this season’s Spanish Super Cup with the top two clubs from La Liga and the two finalists from the Copa del Rey competing in a four-team competition in Saudi Arabia.