No, Downey is true friends with Gibson. Gibson helped him get through his addiction and he expressed his gratitude towards Gibson multiple times.

Wow. I just realized that Ben Stiller aged into Peter Capaldi.

Yeah but Whedon did not really prove himself to have a good sense of costume design with the first Avengers movie. Just look at how they improved upon CapAm's costume for Winter Soldier and Thor's look for The Dark world.

Risking that I might sound overly nerdy, Highlanders and Immortals are not equivalent. The general term is Immortals, whereas Highlander was something Connor MacLeod got to be called.