@JGoldman10,
What was popular back then may not be able to retain the same level of popularity years later.
Many comics published by Image Comics in the 90s (Spawn, Witchblade, The Darkness, Savage Dragon) no longer have the same sky high popularity nowadays, though most are still being published.
Meanwhile, Superman and Batman, who both had major events in the 90s (The Death of Superman, Clark marries Lois, Knightfall, No Man's Land) are still very popular, with both celebrating their 80th anniversaries their 1000th issue.