Koln, too, made it to the Europa League group stage automatically, by finishing fifth in Bundesliga last season.
Manchester United won the competition in May and returned to the Champions League despite finishing sixth in the Premier League table and many believe Arsenal should take the competition seriously.
Arsenal striker Olivier Giroud has admitted that he genuinely came close to leaving the club during the summer in the pursuit of more regular football, before ultimately deciding to stay with the Gunners because he felt the "story was not finished".
Alexis Sanchez trained today so he's expected to be in the squad and Wenger may give him the chance to build on his match fitness as he's only started one Arsenal game so far this season - although I think it would be a risk ahead of the Chelsea game.
Francis Coquelin will also miss the tie and will be out for the next three weeks after injuring his hamstring against Bournemouth on Saturday.
The Gunners defeated Bournemouth 3-0 in the Premier League last weekend and should be considered favorites to earn all three points vs Koln as well.
Asked if he can get back to his best, Wenger replied: "Yes, if he is injury-free he will come back".
Arsene Wenger's side beat Leicester City in their opening match of the new campaign but back-to-back defeats to Stoke City and Liverpool in the following two games left fans fearful of another nightmare season at the Emirate Stadium.
Arsenal play Chelsea at Stamford Bridge on Sunday.
Nacho Monreal could also be given a rest ahead of Chelsea so Rob Holding may come in to the side but Shkodran Mustafi could retain his place as he looks to get back to his best following a hard start to the season. He's doing well in training, getting stronger and stronger each day.
Meanwhile, the likes of David Ospina, Jack Wilshere and Theo Walcott are all in contention to make their first start of the season.