Marquez still needs an adjustment process on his new motorcycle, because new rider in ducati. but with a contract that is only 1 year, he must be quick in adjusting and giving achievements. if not, next season he will not be able to fill 1 spot that may be vacant in the Lenovo Ducati factory team, filling the spot of Bastiani. if want to fill that spot, his achievements obviously have to be greater than Jorge Martin.
I wouldn't see a single reason why the Ducati factory team would want Marc Marquez?
The team has a world champion with ambitions for the next title this year, plus the second rider is young and talented, maybe not as good as Bagnaia, but if so Ducati would rather choose Martin than Marc, Ducati already had bad experiences with Lorenzo.
In any case, Marc's departure from Honda was the right decision