That is definitely a misleading title. One might think the actual Misfits covered the Guns N Roses song, but that's not the case. These are the cartoon Misfits who had much better music than their adversaries.
GNR covered the Misfits "Attitude" pretty well, but these Misfits are not either band. I know I'm not the demographic this was aimed at, but don't most people grow out of this sort of pablum as they get older?