Fantastic Four #539 (1998)

Written by JOE CASEY
Pencils & Cover by
CHRIS WESTON
More secrets of the FF's earliest days revealed! This issue: the Human Torch's first solo adventure (not a raging success)! Mr. Fantastic's first solo adventure (also not a raging success)! A team divided! An enemy uncovered! Plus, an army of cosmically-mutated monsters! What more could you ask for?