Should the Defenders and Secret Defenders be considered the same team?
The original Defenders were a loose knit team of heroes that worked together to stop many mystical/world conquery sort of threats. The membership had several core members like Dr. Strange, Namor, Nighthawk, Hulk, Valkyrie and Hellcat with several other guest star members. In the later 40 issues the team was almost exclusively Beast, Angel, Iceman, Gargoyle, and Valkyrie.
Whereas the Secret Defenders had no base of operation and was simply a strike force chosen on a case by case basis.
I've always though of them as two seperate entities.
The problem as I see it is that Jean Grey (as she has an individual entry), will not be listed as appearing in the early issue of X-men as those are listed to Marvel Girl. SHould both be listed? Or does that just make things worse?
I'm looking at old X-men issues, most list Marvel Girl as one of the appearing members. Which makes sense because Jean Grey was Marvel Girl for quite a while. However if you click the link, it takes you to Marvel Girl, who is now Rachel Summers.
So technically if people are looking for references for Marvel Girl (Rachel) they might look in really old X-men issues when her first appearance is Uncanny X-men #141.
Should all mantle characters have reference to earlier wielders?
It seems that people come to Comic Vine as a reference to find which comic a character appears in could be hopelessly lost if looking for mantle characters like: