In spite of his sending off, the Germany international insists he did nothing wrong in the altercation during Wednesday's Spanish Supercopa match
Barca won the heated encounter 3-2 at Camp Nou and lifted the trophy thanks to a 5-4 aggregate victory.
Tempers flared in the last few minutes of the game and a melee ensued on the pitch after Marcelo committed a brutal tackle on Cesc Fabregas.
The Brazilian full-back was sent off for his challenge and following the resulting altercation, both Ozil and Villa were shown red cards as well. The German nonetheless insists he was not in the wrong.
"I am innocent! This can be seen on television," he told Bild. "When colleagues are being attacked, I try to help."
Video evidence showed that Ozil and Villa squared up in the scuffle and that the Barca man pushed his opponent in the face. The Germany playmaker took exception to the act and had to be restrained by team-mates.
The incident has created quite a stir on the internet, with widespread rumours circulating as to the specifics of what was said between the players.