The Heralds of Destruction (comic story)

 was the first story of the Doctor Who: The Third Doctor comic series, published in 2016.

Summary
When something enormous crashes into Bedfordshire, the Doctor, Jo Grant, and the forces of UNIT under Brigadier Lethbridge-Stewart mobilise immediately – and find themselves in the middle of a pitched battle against a terrifying invader... But the shocking face that awaits their return to base may tip the whole world off its axis!

Characters

 * Third Doctor
 * Jo Grant
 * Alistair Gordon Lethbridge-Stewart
 * Mike Yates
 * Waiter
 * John Benton
 * Tom Osgood
 * Carol Bell
 * Second Doctor
 * Second Doctor

Continuity

 * The Third Doctor and the Second Doctor have encountered each other not long before, as Mike Yates notes that the Third Doctor has recently regained the use of his TARDIS. (TV: The Three Doctors)
 * Jo tries to explain why the Doctor can't remember meeting his previous incarnation by saying that "things get all timey wimey". (TV: Blink, The Day of the Doctor)
 * The Second Doctor plays his recorder. (TV: The Power of the Daleks)