That makes a ton of sense. There's seemingly nowhere to go if Deadpool actually becomes an Avenger. Whether or not this prevents him from actually joining Avengers: Doomsday or Secret Wars remains to be seen, but if a crossover happens he likely won't actually become a member of any of the big teams.

Deadpool and Wolverine was a huge blockbuster built on the team up of the two title characters. And though they wound up leading a group of outcasts in the Void, that might be about as close as Deadpool actually gets to actually being on a team,