Copper & Modern Key Issues

1st appearance of Legion, New Mutants cover and story by Chris Claremont and Bill Sienkewicz

1st appearance of Death, Dream's (Morpheus) Sister, Neil Gaiman and Dave McKean classic story and art

Pre Weapon X  Logan vs Sabretooth story. Very cool.

1st appearance of Speedball! Spider-man, Daredevil, and Speedball cover and story

1st appearance of Death, Dream's (Morpheus) Sister, Neil Gaiman and Dave McKean classic story and art

1st appearance of War Machine. Possibly improvable.

Batgirl cover and story!

Steve Rogers becomes the Captain cover and story!

Spidey vs Venom and Carnage cover and story! 2nd appearance of Carnage

1st appearance of Cletus Cassidy who becomes Carnage and who appears in the Venom movie. 1st full Cardiac!  Spider-man vs. Rhino and Cardiac cover and story 

1st Mary Jane in Spider-man costume! White Pages

Steve Rogers lifts Mjolnir, the hammer of Thor for the 1st time! Thor and the Avengers cover and story

1st appearance of Professor Hulk, in which the Hulk retains all his strength, but also the brain of Banner, Dale Keown art, nice 2nd print

1st appearance of Professor Hulk, in which the Hulk retains all his strength, but also the brain of Banner, Dale Keown art, newstand edition

Part 2 of the story that ties directly into Avengers Infinity movie in which Thanos collects the Infinity Gems from their hosts. Grandmaster, Collector, and Death appear

Batman vs Joker and Catwoman cover and story, Amazing Alan Davis cover and art

1st cover appearance of Killer Croc, 1st full appearance, Joker, Penguin, Riddler, and Scarecrow cover, Batman vs. Killer Croc story

Spidey vs Venom and Carnage cover and story, 2nd print, silver background edition,  improvable

Classic Joker cover by Sam Keith, Batman vs. Joker story

Classic Neal Adams Two Face cover, Batman vs. Two Face story

Tim Drake officially becomes Robin, Batman and Robin vs. the Scarecrow cover and story

Spidey vs Venom cover and story, probably a press away from 9.8