A successful loan in a chaotic season at Wigan a wasted spell at Leicester and a serious injury have halted Powell 's progression .
A successful loan in a chaotic season at Wigan is a cameo in the nightmare at MK Dons .
A successful loan in a chaotic season at Wigan , a cameo in the nightmare at MK Dons , a wasted spell at Leicester and a serious injury have halted Powell 's progression .