Arsenal £60,000-a-week Frenchman is expected to start in Sunday’s derby clash against Tottenham.
Koscielny couldn’t feature in mid-weeks’ game due to a hip problem and Wenger was scared to introduce the Frenchman in other for him not to worsen the problem.
“Koscielny may be back but Bellerin is ruled out already,” Wenger told his pre-match media conference.
Wenger also talked about mid-week game, he had this to say :
“When you play against Bayern they are Bayern,” he said. “I watched the game again and not a lot has changed since my analysis after the game.
“I believe we created a high number of chances but we had not our usual defensive performance. Especially on the first two goals.
“They are maybe the best team in Europe but if we’d had our usual defensive performance we could have repeated our performance [from Arsenal’s 2-0 win over the German champions last month].”