Gail Simone brought them back as part of Secret Six in the Rebirthiverse (and it's been a long time since I typed that).
Ralph was undercover as a mob heavy, Sue turned up in about #8 after Ralph had broken cover and was moping about being away from her.
― Bimlo Horsewagon became Wheelbarrow Horseflesh (aldo), Wednesday, 9 January 2019 21:17 (five years ago) link