In the MM GT's list of Looper commands for the Axe-Fx III, the OVERDUB function is missing.
While the RECORD function can be programmed to switch to Overdub (Record 2nd Press), it does not operate the same as a dedicated OVERDUB button and behaves erratically (it can't be turned off).
While the RECORD function can be programmed to switch to Overdub (Record 2nd Press), it does not operate the same as a dedicated OVERDUB button and behaves erratically (it can't be turned off).