Conversation so far:
What was the age of Apocalypse?
Age of Apocalypse is a 1995 comic book crossover storyline published in the X-Men franchise of books by Marvel Comics.
Did Blob have any special powers in Age of Apocalypse?
It appears that McCoy or Sinister himself had his powers altered in a manner that allowed Blob to project his gravitational field outward.
Were there other characters besides McCoy, Sinister, and Blob?
Havoc
What did Havok do?
McCoy considered Blob's mutation useless which enraged Blob. Havok came to McCoy's rescue
Were there any other characters?
Cyclops

Question: Did they all get along?
Self-contained rewrite: Did McCoy, Sinister, Blob, Havoc, and Cyclops all get along?