Ryan Reynolds is paying tribute to someone very special. The Deadpool actor shared the touching way he honored friend and costar Rob Delaney —who stars as mild-mannered Peter in the Marvel films—by dedicating Deadpool & Wolverine to Rob's son Henry , who died in January 2018 at the age of 2 after a battle with brain cancer. "Rob Delaney brought PeterPool (née Sugarbear) into our hearts and effortlessly redefined the modern moose-knuckle—showing it can be chic AND practical," Ryan wrote on Instagram Aug.

19 . "And if theories are correct, he may be the new Anchor Being." But as the 47-year-old added, there's more to Rob that some might know as he's "one of the most subversively funny people I know.

" "If you stayed through the credits of Deadpool & Wolverine , you might notice a credit saying, 'For Henry Delaney,'" Ryan continued. "Henry was Rob's son. And Rob lost his little boy to a brain tumor in 2018.

Right as we finished Deadpool 2 ." And while the Marvel start said he has always felt regretful about not including a tribute at the end of that film, he pointed out a silver lining that "even more people are seeing Henry's name in the credits of Deadpool & Wolverine ," which recently passed a billion dollars at the worldwide box office. He added, "And at long last, father and son are sharing the same screen.

" Ryan—who shares daughters James , 9, Inez , 7, and Betty , 4, and son Olin , born in 2023 with Blake Lively —also took a moment to shoutout Rob's 2022 book A.