User blog comment:J1coupe/Ezio Auditore vs. Agent 47 IV...? Epic Rap Battles of Video Games Off-Season./@comment-25263388-20140901041413/@comment-5264252-20140903180104

He's done Doc Scratch/Lord English and Superman, so not exactly always video game characters, but if they're strongly enough related to video games, it works. Plus, I do remember him saying he had Arkham Batman vs Deadpool planned for an off-season, but I could be wrong.