Hand 1: raise pre. Don't play AK multiway out of position unless you have too. As for his range, he would do this with tons of hands becaue you under repped your hand and called preflop. If you had JJ+ AK you would have raised pre, so he thinks his hand is good.

Hand 2: Don't bet the flop. Any K is calling and anything scared of the K is folding. What's the point. Read gabes S&G article "KK on an A high flop"