Batman's butler, Spider-Man's mentor, Superman's boyfriend
In The Dark Knight, Michael Caine plays Alfred, Bruce Wayne's faithful butler. But Batman isn't the only superhero Caine has crossed paths with. In The Cider House Rules, he was a surrogate father to none other than Tobey Maguire, the future Spider-Man. And way back in 1980, Caine was in the movie Death Trap with the late Christopher Reeve. They played gay lovers, and shared a passionate onscreen kiss.
So to summarize: he's Batman's butler, Spider-Man's mentor, and Superman's boyfriend. Caine himself has never played a character with super powers. But through the magic of editing, here's what that might look like (mashup by my good pal Matt Belinkie "“ thanks Matt!):