I am looking for the value of my comic books.bronze age,silver,etc. ?

to name a few i need help.ex.DC Detective comics, may 1988. it has batman dead w/lots of white bat eyes in bground.a character over him w/a spotlite wearing gas mask. ex.first issue of the night brigade,wonder comics,canada1987. Thor.Archie.Adventures of the outsiders.silver surfer.capt.amer.'s .gr lanterns.Two 30+Godzilla's and spidey superstories w/ Marvil and the ELECTRIC company.