The most heartbreaking moment in Deadpool & Wolverine didn’t occur inside the movie, but in a touching tribute written by star Ryan Reynolds.

Deadpool & Wolverinewas filled to the brim with unforgettable moments thanks to the inclusion of countlesscameosandvariantsfrom the Marvel universe.

However, the most important and heartbreaking sequence of the movie came during the credits where Reynolds placed a loving tribute to co-star Rob Delaney’s deceased son, Henry.

He continued, “If there’s a bright side, even more people are seeing Henry’s name in the credits of Deadpool & Wolverine. And at long last, father and son are sharing the same screen.”

Reynolds made sure to shout out his co-star book in his post, calling it “an incredible piece of writing which explores the kaleidoscopic colours of emotion Henry’s passing revealed. I’m lucky to know Rob. And I’m lucky to have friends willing to put themselves on the line to make others feel less alone.”

Despite going through a tragedy, Delaney was delighted to return to the Deadpool franchise as the lovable and goofy Peter Wisdom,tellingDigital Spy, “I haven’t been coached on what to say here. It felt different. It felt bigger, for sure. I mean, it still felt controlled, and you felt Ryan’s authorial voice moving through it, and it felt pure, but yeah, it felt bigger.”

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And Delaney was proven to be correct as Deadpool & Wolverine made over$1 billion at the box office,breaking the recordto become thehighest-grossing R-rated movie of all time.

For more, you can check out ourlist of the best-reviewed movies of the year so far here. And keep up with all thenew movies releasing this month.

Kayla Harrington was a TV & Movies Writer on Dexerto’s US team, specializing in The Boys, The Walking Dead, House of the Dragon, Marvel and Star Wars. She also has bylines at Mashable, BuzzFeed, and The Mary Sue.