About the Uncanny X-Men #490 (1963)

(W) Ed Brubaker (A/CA) Salvador Larroca
Written by ED BRUBAKER
Pencils & Cover by SALVADOR LARROCA
"EXTREMISTS"
Why are the Morlocks terrorizing innocent people? What is their endgame? That's what Storm and the X-Men are trying to find out. All the while, Professor X and Nightcrawler are on the trail of Magneto! Part 4 (of 5)
FEATURING ENDANGERED SPECIES CHAPTER 10
Beast heads to mutant town with BISHOP! Looking for samples of mutant DNA, Beast turns to drug dealers selling MGH-mutant growth hormone. And he does NOT like what he finds