Mark’s Substack

The Math, and Why I’m Still Building

On the hardest half I’ve had, and the franchise that’s coming home

Jun 4 • Mark London

32

15

6

April 2026

The Underworld Isn’t Going Anywhere

The Complete Collection is here. Phase 2 is coming. And the fans aren’t ready

Apr 29

7

3

1

Meet Mister Nemo

The Underworld Universe just got a whole lot deeper.

Apr 16 • Mark London

6

1

3

He has Risen.

How faith became the foundation I didn’t know I was building on.

Apr 5 • Mark London

12

5

2

March 2026

What John Wick Got Right

That Most Action Stories Get Wrong

Mar 19 • Mark London

5

3

3

There Is No Back. Only Forward.

On passion, persistence, and building something that lasts.

Mar 13 • Mark London

24

11

14

Your Digital Nightmare Has Already Started.

And You’re Not Reading TERRORBYTES. Or are you?

Mar 6 • Mark London

9

5

4

February 2026

The Underworld Universe Act 2

THE SHADOWS ARE EXPANDING

Feb 28 • Mark London

9

5

4

THE UNDERWORLD DISPATCH

Where the darkness has a pulse.

Feb 19 • Mark London

6

2

2

The Art of the Slow Burn

What professional wrestling and telenovelas (soap operas) taught me about writing comics that actually matter

Feb 12 • Mark London

9

2

The Underworld Universe is about to change everything.

Honor and Curse: Eternal is coming and you've been put on notice.

Feb 10 • Mark London

11

2

3

January 2026

Hello 2026

And Cave People

Jan 5 • Mark London

10

2

2