Wigan quartet return for semi.
Warriors head coach Shaun Wane named his 19-man squad and was boosted by the return of Charnley, who has bagged 25 tries already this season, but missed the 52-10 Super League win at Wakefield with a calf injury he sustained while playing for England against the Exiles.
McIlorum, who has been one of Wigan's most consistent performers this year missed the same game with a minor knock and powerhouse prop Jeff Lima returns after been sidelined for the last three matches due to a facial injury picked up in training.
Prescott has recovered from two injuries sustained in the Widnes game and is included and is up for selection.
For Leeds prop Kylie Leuluai and second row forward Jamie Jones-Buchanan return to the Rhinos squad after being rested last week for the 21-6 win over Hull FC, but Richard Moore misses out on the semi-final squad..
Leeds Rhinos squad: Ben Jones-Bishop, Kallum Watkins, Zak Hardaker, Ryan Hall, Danny McGuire, Rob Burrow, Kylie Leuluai, Jamie Peacock, Jamie Jones-Buchanan, Carl Ablett, Kevin Sinfield, Brett Delaney, Ryan Bailey, Ian Kirke, Chris Clarkson, Weller Hauraki, Darrell Griffin, Stevie Ward, Shaun Lunt Wigan Warriors squad: Sam Tomkins, Josh Charnley, Darrell Goulding, George Carmont, Brett Finch, Paul Prescott, Michael McIlorum, Lee Mossop, Harrison Hansen, Gareth Hock, Sean O''Loughlin, Jeff Lima, Liam Farrell, Chris Tuson, Epalahame Lauaki, Ben Flower, Anthony Gelling, Jack Hughes, Dom Crosby.
[bar] FIT FOR SEMI: Wigan's Josh Charnley