I have seen this on several sites and think it would be perfect for use here.
Store all of the hero names in the forum’s code-and any time that hero’s name is displayed, it become a tooltip link (dotted underline with the mouseover property). Move the mouse over the name, and the screenshot image of the hero’s maxed stats appears.
The text itself becomes a quick stat reference for every hero, eliminating the need to search for the information if you do not know about the one in question.
(It could also be designed as a click rather than a mouseover, of course, as that is used many places on this site already.)