1)Does Chaos War: Alpha Flight count as a Guest Appearance?
If so that's my #1. If not then UXM 120-121

2)Puck either in UXF #1 where he meets Psylocke, or in Web Of Spider-Man where Captain America basically says how great he is.

3)When Diamond Lil snaps "Spider-Man's" neck, simply because of the gravitas of the situation.