The Swede is in the final straight of his recovery from knee surgery.
Speaking with Redarmy Bet, Ibrahimovic revealed: "I'll be ready very, very soon."
There is an expectation of the striker returning to the field in October.
United comms chief Karen Shotbolt remarked last month: "We never communicate any dates and do not talk about it because if there is a setback it looks very stupid.
"We have done the same thing with other players, so we do not mention dates, that's our policy simply."