How Speedball's powers work
From 1990's Marvel Super Heroes #3. I really posted this because of the awesome/terrifying Mark Gruenwald Seal of Approval.
By fnord12 | July 29, 2015, 10:02 AM | Comics
The Gru Seal of Approval should probably be on the main page somewhere.
Reference from SuperMegaMonkey : chronocomicThis issue also had a jokey explanation of Speedball's powers... Read More: Marvel Super Heroes #3