Avengers (1963) #304
The Avengers encounter Puma, a genetically engineered Native American who is tracking a mutant from his own tribe. The young mutant in question, Charles Little Sky, accidentally opens a dimensional rift which frees the U-Foes from exile.
Published: 6/1/1989
- Rich Buckler, penciler
- Danny Fingeroth, writer
- Bill Oakley, letterer
- Tom Palmer, inker
- Christie Scheele, colorist