The Bundesliga side welcome Spurs to the BayArena with little to separate the four sides in the group.
Monaco are top on four points followed by the north Londoners with three, but Leverkusen have two and could easily move to the top of the standings with victory on match day three.
CSKA Moscow may be bottom with one point but are far from out of the running for a place in the knockout stage of Europe's elite club competition.
The Russians square off with Monaco and Schmidt feels that everyone will know a lot more about what might happen in the group after Tuesday's fixtures.
"I think it will really get going tomorrow," he told reporters on Monday. "Not much has happened in the group yet."