Deadpool was considered for a Peacemaker season 2 cameo, and even Ryan Reynolds was down with the unlikely Marvel and DC crossover

Deadpool 3.

James Gunn had long teased that there would be major cameos in the Peacemaker season 2 finale, but this one probably would have broken the internet.

As revealed to IGN and other assembled press during a recent virtual press conference, one of the locked doors in the Quantum Unfolding Chamber would have seen a certain fourth-wall-breaking Marvel character pop up for an unlikely crossover.