But after an encouraging start to the Group B match, the visitors were punished for defensive lapses, first on the half-hour mark by striker Matheus Cunha and again four minutes later by attacker Bruma.
Levein's side have beaten Celtic twice on their tight Tynecastle arena in the past 12 months but conceded seven goals in their past two visits to Parkhead.
"I think we can still gain in the performance tomorrow".
"It will be a great night with our supporters". But hopefully he has a big chance of playing. That will be our objective.
"We've obviously lost two matches against two very good sides away from home, but we've got three points on the board".
It was always going to be tough for the Scottish champions, who had not previously won away from home in 13 Europa League group games and never in Germany.
14 killed as Jordan flash flood sweeps away students on trip
The search for missing persons is ongoing and air force helicopters have been deployed to comb the area and search for survivors. An official with Jordan's civil defence department told the Jordan Times newspaper the death toll was expected to increase.
"It is pretty clear they are a very good side", Rodgers said of Thursday's opponents.
'If we're going to have any aspirations of getting out the group then it's a game we nearly have to win. If we don't it becomes really hard.
Right-back Mikael Lustig replaced the injured Gamboa for the start of the second half, which began with Kampl firing wide from a Sabitzer delivery before midfielder Konrad Laimer missed the target from inside the box with only Gordon to beat.
Defender Dedryck Boyata, whom Rodgers described as "outstanding", is suspended for the trip to Edinburgh.
Rangnick said: "It looks like these two teams will be fighting for second spot". Unfortunately Boyata, who I thought was outstanding tonight, won't be available at the weekend.
We are often hearing the negative stories surrounding travelling fans in Europe, but this must-see footage shows the Celtic fans are having an absolute ball following Brendan Rodgers' club in Europe.