With the one Comix found, you spend nothing to get Nothing but with the one I found you spend a little something to get Nothing in return. Sounds like an easy decision on the surface, right? However as we know with FTP games, there may be a reason why you'd rather spend $2 on Nothing than get Nothing for free.
Maybe one of the studios will release a sequel called Double. Then, gamers new to the series will have to take a gamble when choosing which game to play first: Double or Nothing