For some time, Adrian Tranquilli has been portraying superheroes as poignantly human. In this show, “The Age of Chance,” a pure white Superman—the original superhero—burst robustly out of the wall with stigmata of gold bleeding from between his ribs (This Is Not a Love Song 1; all works 2006), a phantom of spiritual purity. Spiderman’s form half emerged out of another wall (This Is Not a Love Song 2), regarding the upturned palm of his hand, from which a stream of white gold spilled into drops on the floor. And isn’t Christ himself a sort of superhero? In an earlier work, Tranquilli confounded