In spite of achieving all of his previous goals, probably because of boredom or something else we don't exactly know (yet). Few years after his accomplishment, he later decide to hire quite a LOT of guys and gals from the different universes from time to time. Mainly to sort out some of his 'certain problems' in his own world or just for his personal 'entertainment'. Along with helping these new 'partners' and clients to sort out their problems as well (but only if he interested in those matters, however). And the story of my AU will begins at this point.
For more details, please click the source link (original art in my DA account).