So revenge of shinobi has copywrite infringement out the ass and I want in. How can i tell which is the very first version released with all the stuff like spiderman intact?

* Software revision 1.00 (1989): Bosses clearly resembling The Terminator (The Hulk when nearly defeated), Godzilla, Spider-Man, and Batman are present. Both Spider-Man and Batman are actually fake representations of themselves conducted by someone able to morph into his shape when enough damage is inflicted.

* Software revision 1.01 (1989): Batman is replaced by a bat-like mutant, but The Terminator/Hulk, Godzilla, and Spider-Man remain unmodified, the latter still morphing into the bat-like creature when defeated. Enemy soldiers with flamethrowers are also changed to bald men with headbands away from their original likeness to Rambo.

* Software revision 1.02 (1990): The fake Spider-Man is now redesigned into the licensed character from Marvel Comics, acknowledged by a copyright notice (Sega was also developing The Amazing Spider-Man vs. The Kingpin at the time). Since he is now the real Spider-Man, he doesn't morph into a bat-like shape and actually leaves the battle when enough damage is inflicted, with a separate bat-like mutant entering to replace him. The Terminator/Hulk and Godzilla still remain intact.

* Software revision 1.03 (1990): Godzilla is replaced by a skeletal dinosaur. Everything else remains intact from the previous revision, including the licensed use of Spider-Man. The Terminator/Hulk was still the same and he has never been affected by copyright issues because of resemblances with the real characters. This version was used in the Genesis 6-Pak cartridge.The Hulk may have not changed because of Sega having the Spider-man license.