A strange and disturbing new lawsuit alleges comedians Tiffany Haddish and Aries Spears coerced a 7-year-old boy and his 14-year-old sister to appear in sexually explicit comedy skits that left them with “severe emotional damage.”

Lawyers for the comedians released stern response statements Thursday, branding the complaint filed Monday in Los Angeles a brazen money grab.

“Plaintiff’s mother, (name redacted), has been trying to assert these bogus claims against Ms. Haddish for several years. Every attorney who has initially taken on her case — and there were several — ultimately dropped...