See first trailers, screens from Champions Online
This preview from IGN has some interesting details too, including the fact that you'll be able to design your personal arch-nemesis, in addition to your hero. The wait until the slated spring of 09 release seems so long that we're tempted to start playing the tabletop version of the game. ... No, no, we kid of course. We'd wear a towel cape before we'd fall that far into the nerdiness rabbit hole.