Time & Time Again (comic story)

Summary

The Black Guardian has changed time so that the Doctor never left Gallifrey, and this causes chaos amongst the stars. The Doctor must revisit his past and hunt for the Key to Time which will put time back on track and defeat the Black Guardian

The White Guardian states that the Black Guardian mucked with time for revenge on the Doctor surrounding Enlightenment.
The White Guardian sends the Doctor and his companions to search for the Key to Time.
The Third Doctor mentions Sir Reginald Styles.
On the first panel of the comic there are: a Dalek, a Yeti, a Sea Devil, a Silurian, a Zygon, a Draconian, an Ice Warrior, a Cyberman, a Sontaran and the Black Guardian.

As all three main characters have separate adventures they are presented here separately.

Meets his sixth incarnation, who is fishing with Frobisher for gumblejack and takes his sixth's self's cat badge (as one of the pieces of the Key to Time).
Saves his first incarnation from a Dalek (which was an Imperial Dalek).
He takes the TARDIS Instruction Manual from his first self. (This is one of the segments of the Key to Time)

Meets the Second Doctor, Jamie and Zoe and takes the Second Doctor's hat (as one of the pieces of the Key to Time).
Meets the Fourth Doctor whilst in the Eden projection. She takes a jelly baby (as one of the pieces of the Key to Time).

Ace sword fights the Third Doctor at Sir Reginald Styles' mansion. Ace takes one of the swords (as one of the pieces of the Key to Time).
Catches a cricket ball bowled by the Fifth Doctor. (This is one of the segments of the Key to Time)
Ace is flirted with by Adric (she threatens to make sure he permanently limps) at Cranleigh Hall.

to be added

The Doctor broke the Key to Time up in DW: The Armageddon Factor.
The Doctor last encountered the Black and White Guardians during DW: Enlightenment.
Bernice meets the Second Doctor during DW: The Mind Robber and the Fourth Doctor during DW: Nightmare of Eden.
Ace meets the Third Doctor during DW: Day of the Daleks. She meets Adric and watches the Fifth Doctor play cricket during DW: Black Orchid.
The Doctor saves the First Doctor just before the events of DW: Remembrance of the Daleks and An Unearthly Child.