Is there an official procedure when two superheroes or two supervillains or a superhero and a supervillain end up using the same supranym?
Again you ask about "official procedures" for things, and I get the sense that you think that the superhero community is far more organized than it actually is.
Because, again, I'm sad to say, there is no official procedure. Which makes the database engineer in me very sad. Legacy heroes and villains are one thing - it's easy enough to say "Clint Barton is Hawkeye I, Kate Bishop is Hawkeye II, Lester was Hawkeye III for a time, Barney Barton was Hawkeye IV."
What's more difficult is when two completely separate, unrelated heroes/villains/superbeings use the same codename and we have to figure out creative ways to disambiguate in our databases.
Case in point:
(File photo of Inez Temple, the mercenary known as "Outlaw.")
(Photo of Nigel Higgins, the so-called "British Punisher", alias Outlaw, taken at a Champions of Europe gathering.)
Inez Temple and Nigel Higgins are both entirely unrelated individuals who use the supranym "Outlaw", much to our consternation. This isn't an Electro situation, where there's a World War II-era robot who shares the name with a pair of modern-day superhuman criminals, but the robot has been inactive for long enough that it's basically irrelevant.
No, these two individuals are both active in the here and now, completely unaffiliated with one another, and as far as we can tell, have never even met.
So no, as much as we would like for them to meet and sort out IP rights to the "Outlaw" name, there is no formalized process or database registering codenames. (And with the SHRA still in recent memory, the very idea of any sort of registration among the super set is a non-starter for most of them.)
