Appearing in "...Yearning to Breathe Free!"
- U-Foes (Main story and flashback)
- Hulk (Only in flashback)
Synopsis for "...Yearning to Breathe Free!"
The Avengers cross paths with the Puma, who is tracking a mutant from his tribe. Unfortunately, the young mutant opens a dimensional rift which frees the U-Foes from their exile. The Puma and the Avengers work together to defeat the U-Foes.