the battle between kira and shinn is over for now the next battle is the smacking that asuran is gonna give shinn. but on to another note its clear that shinn is most likely gonna be the bad guy i doubt he will join the AA its makes no sense for him to join that ship and i doubt they can change him in these last 16 episodes. finally Shinn can not and will never be able to defeat kira the supreme mobile suit pilot his only rival is asuran