Ryan Reynolds and Hugh Jackman, stars of 'Deadpool & Wolverine' are among the 10 people who received screenwriting credits for contributing to Marvel's 'Avengers: Doomsday'. This marks Jackman's first writing credit, while Reynolds was one of the writers on 'Deadpool 2' and 'Deadpool & Wolverine'. The credits also included Destin Daniel Cretton, Stephen McFeely, Michael Waldron and Chris McKenna.