Malaga has only 11 points from 19 matches. The trio of players resumed training this week after being out for several days and could now be in today's squad as the Bundesliga returns following its winter break.
Bayern paid Hoffenheim around €13 million last month for Wagner, who was signed as back-up for their top-scoring striker Robert Lewandowski.
This season the 20-year-old Jamaican has scored six goals, while setting up another four in 14 games in establishing himself as a key player in their dynamic frontline.
"No one is thinking about the lead in the standings", Wagner said.
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Malcom has attracted a host of Premier League clubs, including Manchester United , due to his ferocious style of play. So he wants to fight as well for the Premier League , that's normal, when you are at that level.
"We worked hard for the lead, also with some help from the competition, you have to admit that", said Heynckes. "That is why everyone is working extra hard".
While goalkeeper Manuel Neuer is still recovering from a fractured foot, Mueller wore the captain's armband and Sven Ulreich was in Bayern's goal.
Bayer Leverkusen star winger Leon Bailey could move on soon as the club's sporting director Rudi Voller has acknowledged there may come a time to sell the young Jamaican star.
"It's a game which has all the ingredients that make football so attractive, both teams can play good football and it's going to be tough".
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He (Ashley) knows he has to improve the team so that we have the quality which allows us to stay in the Premier League . I have heard people talking about our players, but we do not have any offers.
Ribery, who has spent a decade at Bayern, rolled back the years by scything through Leverkusen's defence and slamming home Bayern's superb second goal.
However, Heynckes warns there is plenty of talent in Bayer's ranks, pointing to Germany winger Julian Brandt and teenager Kai Havertz, 18, who are both unsafe in front of goal.
Coach Jupp Heynckes sent on winter signing Sandro Wagner for his second Bayern debut - he made four Bundesliga appearances for the senior side in the 2007-08 season - but James stole the limelight with his flawless free kick into the top left corner.
"I have said everything there is to say and won't say anything more", replied Heynckes when asked about his future in the midst of Bayern's hunt for a new head coach for 2018/19.
Liverpool v Manchester City: Essential reading for Super Sunday
Former Arsenal striker Wright is tipping Liverpool to cause Manchester City plenty of problems at Anfield on Sunday afternoon. We fancy the big center-back to do just that and give Pep Guardiola's side their first loss of the Premier League season.