Ibanez scored his team's goals before the injury forced him out of Monday's 2-0 home win over Osasuna -- their first ever home victory in La Liga.
They have said they are seeking the same punishment for both Neymar's father and former Barcelona president Sandro Rosell.
Isco joined Madrid from Malaga for €30 million in 2013 and has won two Champions League medals.
After conceding just three goals in their first 11 games in all competitions, Atletico have now let in nine in their last five outings.
"Cristiano is Portuguese, he has done everything, is a European champion," Futre said. "But he has many enemies there -- for the way he is."
Gareth Bale is facing a battle to be fit for El Clasico after he was injured in Tuesday's Champions League win over Sporting.