It took just 11 minutes for the 24-year-old to capture the fans' attention, providing the assist for Olivier Giroud's opener against Sunderland.
Ozil created further chances for his team-mates, particularly Theo Walcott, as the Gunners ran out 3-1 winners and Wenger believes that what was shown was just a glimpse of the former Real Madrid star's talent.
|17/4||Mesut Ozil is 17/4 with BetVictor to score against Marseille
"We have a game that's based a lot on movement and he gives everyone time to be available on the ball. It's a kind of technical security and a creative side to his game that is very interesting. His final pass and his retention of the ball gives everybody time to move."
Ozil missed training on Friday through illness but started on Saturday and Wenger was impressed with his response.
"He was like a guy who was invited to play for us because he was sick," the manager continued, "but, for a guy who was invited, he did well.
"There was a demand from everybody to have a player for reasons that we didn't challenge for the title because we lost big players without being capable of bringing the same stature of players in so [his signing] was a huge lift for everybody who loves our club."