With him covering you, it probably comes down to ladder up consideration. It is certainly a cooler, but as you mentioned you lose to AA, any combination of AK and any two. The larger stack could be putting pressure on with a weaker Ace, but would he jeopardize 3/4 of his stack in that position, which he partially did, since he did not have a 2.
Since you will be able to pick off lower stacks yourself, it is possible to find a fold, although it is a tough lay down.