Bayern Munich have been dealt a potential injury blow ahead of their Champions League showdown against Aston Villa. Aston Villa are currently preparing to take on Ipswich Town in the Premier League on Sunday but the Champions League lurks in the back of their minds. On Wednesday night, Villa host Bayern Munich in what is a repeat of the European Cup final in 1982, with excitement building. Unfortunately, Unai Emery revealed that John McGinn would be sidelined for another two to three weeks, therefore missing their second match in the competition. Emery’s right-back Matty Cash is also fighting …