Interestingly, Star Wars Episode IV "Return of the Jedi
" was at one point before release called "Revenge of the Jedi"
However, shortly before the film's premiere the director George Lucas changed the name (back to) "Return of the Jedi" on the grounds that revenge is not a Jedi concept
See also:Revenge is sweet.Revenge is a dish best served cold.
I will try to add something about the verb "avenge" and the noun "avenger" soon.