BEGIN SLIDESHOW Deadpool 2 IMAX promo promises size does matter Following the IMAX poster that was revealed yesterday (see in the gallery below), a new IMAX promo for Deadpool 2 has arrived online that underlines just how important size really is. Check it out in the player below and see Deadpool 2 in IMAX when it’s released! Ryan Reynolds is reprising his role as the Merc with a Mouth alongside Zazie Beetz as the luck-manipulating mutant Domino and Josh Brolin as Cable, the time-traveling son of the X-Men’s Cyclops.