Darkwing Duck Boom Studios Issue 6 Launchpad McQuack, Darkwing, Gosalyn Homage of Batman issue 9 http://vignette1.wikia.nocookie.net/batman/images/7/79/Batman9.jpg/revision/latest?cb=20081009144930
Spoiler Click to see actual cover Winners: Dead Metal (Publisher) Slave IV (Series) Slave IV (Issue) ABH1979 (Characters)
Idw ARAH gijoe 211 Serpentor stepping on Cobra Commander I don't deserve credit though since it was all pretty much mentioned already.
Spoiler Click to see actual cover Winners: Dead Metal (Publisher) Dead Metal (Series) Dead Metal (Issue) Dead Metal (Character)
Spoiler Click to see actual cover Winners: Switchblade (Publisher) Switchblade (Series) None (Issue) None (Characters)
Marvel's Transformers series and it looks like Trypticon. I remember the issue but have no idea what number - something in the late 20s, I think.
You're on the right track for issue number. For characters, there are a few more on the cover... you can skip the human as, I think, she was only in that issue.
Yeah, it's #27, costarring the Dinobots and some random lady; I looked it up after I posted. Wasn't going to update my response since it felt like cheating to not go by memory.
DC Comics DC Comics Presents #47 Superman and the Masters of the Universe Superman, He-Man, and Skeletor
In case it was missed, post #233 hasn't been solved yet. I'll give it another week, then reveal the actual cover.