Cartoons;
AoA Wildchild appears in One Man's Worth pt.1
Sasquatch's hand appears in the opening sequence to that Incredible Hulk series, at the start of every episode.
I think that Lightwave thing's bull, personally, but who knows.

Film wise;
Wildchild's name appears in X2 if I remember correctly.

Games;
Puck & Sas dopplegangers appear in War Of The Gems.
Mac & Heather appear in X-Men Legends 2: Rise of Apocalypse.

I'll transfer all this to somewhere else another time...