Germany is the first major European competition to return following the coronavirus lockdown.
"There is so much talk and opinions on this but I'm just looking forward to playing," said Mustafi.
"Germany has done very well with the situation. That's why they can start playing but it's very difficult to explain what I think.
"I don't know difference between Germany and England. Some think it's good, some don't. For me the main thing is we have to think of the safety."