Ibrahimovic, 35, has enjoyed a sensational debut season at Manchester United – scoring 28 goals in all competitions.
However, a knee injury he sustained against Anderlecht in the Europa League quarter-finals in April has scuppered his progress at Old Trafford.
The Swedish superstar has a one-year extension clause inserted in his contract and United are ready to trigger his £300,000-a-week deal.
Express Sport understands United will not make a decision on Ibrahimovic’s future until it becomes clear he will be fit for the new season.
Zlatan Ibrahimovic celebrates Man Utd Europa League win Thu, May 25, 2017
Click through the gallery for the best snaps of Zlatan Ibrahimovic celebrating Man Utd's Europa League win
Play slideshow Man Utd via Getty Images 1 of 12
Zlatan Ibrahimovic ditched his crutches to celebrate Man Utd's Europa League win
Manchester United are ready to cut ties with Zlatan Ibrahimovic.
And his agent Mino Raiola has helped reinforce this by casting doubt on his future.
"For now, it is important he recovers well and then we will see," Raiola said.
“He has had a fantastic time at Manchester United and it is up to the club and myself to see what the future brings.
Manchester United are ready to withdraw their contract offer to Zlatan Ibrahimovic
Get Quotes on Home Insurance
"He wants to stay in England, he wants to stay at the top, and if he sees that he can be a valuable asset for Manchester United, then why not Manchester United?
"He can be a valuable asset for some other top clubs also. We have a lot of offers and ideas and we have to evaluate them. But I think it is respectful to talk to United and to see what all parties want."
If United cut ties with Ibrahimovic he will become a free agent.
The Sun add Mourinho is prepared to live without Ibrahimovic in favour of signing Everton star Romelu Lukaku and Atletico Madrid’s Antoine Griezmann.