Complex sentence: Peter enters the vault just in time to telekinetically grab the virus, then vaporizes it in his hands, before the scene ends, a Helix Symbol appears as dust in his hand, before blowing away.
Split into simpler sentences: Peter enters the vault just in time to telekinetically grab the virus and vaporize it in his hands. Before the scene ends, a Helix Symbol appears as dust in his hand, before blowing away.