Man Utd are in a group with Rangers, Club NI and Co. Londonderry.
Man Utd were well-beaten by Chivas in the SuperCupNI Globe Final.
Mipo Odubeko scored his third of the tournament in a challenging SuperCupNI Globe semi-final.
The Reds were beaten by two first half goals.
Mipo Odubeko scored a brace while Teden Mengi and substitute Charlie Wellens grabbed the others after Co. Fermanagh came from behind twice.