The Marvel Family had reunions in various years.

The Marvel Family Reunion in Brownsburg, Indiana 1922

(from page 1 of the Brownsburg Record dated Friday September 22, 1922)

The Marvel Family Reunion in Brownsburg, Indiana 1923

(from page 1 of Brownsburg Record dated Friday September 21, 1923)
 
 

(from Newspaperarchive.com)