This film was cut from the first draft version of IJ. Steven Moore mentions it:
http://www.thehowlingfantods.com/dfw/ij-first.html610-16 = IJ 985-93. The MS version of Incandenza’s film bibliography, added as an appendix, is close to the novel’s, with a few exceptions: in the MS, the authors of “The Laughing Pathologists” (IJ 985, n.24a) were limited to Comstock and Posner, and they treated Michael Snow (instead of E. and K. Snow) as well as John Waters. Following Union of Theoretical Grammarians in Cambridge, the MS adds:
Union of Publicly Hidden in Lynn. B.S. Meniscus Films, Ltd. Documentary cast w/ narrator P.A. Heaven; 78 mm.; 60 minutes; color; sound. Filmed proceedings in a Boston, MA suburb of “anonymous” meeting of the Union of the Hideously and Improbably Deformed, a support group for aesthetically challenged persons struggling with issues around light and sight. MAGNETIC VIDEO, PRIVATELY RELEASED BY MENISCUS FILMS, LTD.
Cage III and No Troy appear in different positions than in the novel.