Some notes on Earth-534834
Iron Man 2x11, "Hulk Buster" takes place before The Incredible Hulk 1x04, "Helping Hand, Iron Fist".
Fantastic Four 2x09, "Nightmare in Green" takes place before The Incredible Hulk 1x08, "Fantastic Fortitude".
Fantastic Four 2x06, "To Battle the Living Planet" probably takes place after The Incredible Hulk 2x08, "Mission: Incredible", because She-Hulk is an Avenger by then and that was never brought up in Hulk. It's definitely after The Incredible Hulk 2x07-2x08 at least, so it's already breaking release order.
The timeline probably vaguely follows something like:
1994
Iron Man 1x01, "And the Sea Shall Give Up Its Dead"
Iron Man 1x02, "Rejoice! I Am Ultimo Thy Deliverer"
Iron Man 1x03, "Data In, Chaos Out"
Iron Man 1x04, "Silence My Companion, My Death Destination"
Iron Man 1x05, "The Grim Reaper Wears a Teflon Coat"
Iron Man 1x06, "Enemy Within, Enemy Without"
Iron Man 1x07, "Origin of the Mandarin"
Iron Man 1x08, "The Defection of Hawkeye"
Iron Man 1x09, "Iron Man to the Second Power: Part 1"
Iron Man 1x10, "Iron Man to the Second Power: Part 2"
Iron Man 1x11, "Origin of Iron Man: Part 1"
Iron Man 1x12, "Origin of Iron Man: Part 2"
Iron Man 1x13, "The Wedding of Iron Man"
1995
Iron Man 2x01, "The Beast Within"
Iron Man 2x02, "Fire and Rain"
Iron Man 2x03, "Cell of Iron"
Iron Man 2x04, "Not Far from the Tree"
Iron Man 2x05, "Beauty Knows No Pain"
Iron Man 2x06, "Iron Man, on the Inside"
Iron Man 2x07, "Distant Boundaries"
Iron Man 2x08, "The Armor Wars, Part 1"
Iron Man 2x09, "The Armor Wars, Part 2"
Iron Man 2x10, "Empowered"
Iron Man 2x11, "Hulk Buster"
Iron Man 2x12, "Hands of the Mandarin, Part 1"
Iron Man 2x13, "Hands of the Mandarin, Part 2"
1996
Fantastic Four 1x01, "The Origin of the Fantastic Four: Part 1"
Fantastic Four 1x02, "The Origin of the Fantastic Four: Part 2"
Fantastic Four 1x03, "Now Comes the Sub-Mariner"
Fantastic Four 1x04, "Incursion of the Skrulls"
Fantastic Four 1x05, "The Silver Surfer and the Coming of Galactus, Part 1"
Fantastic Four 1x06, "The Silver Surfer and the Coming of Galactus, Part 2"
Fantastic Four 1x07, "Super Skrull"
Fantastic Four 1x08, "The Mask of Doom, Part 1"
Fantastic Four 1x09, "The Mask of Doom, Part 2"
Fantastic Four 1x10, "The Mask of Doom, Part 3"
Fantastic Four 1x11, "Mole Man"
Fantastic Four 1x12, "Behold the Negative Zone"
Fantastic Four 1x13, "The Silver Surfer and the Return of Galactus"
The Incredible Hulk 1x01, "Return of the Beast: Part 1"
The Incredible Hulk 1x02, "Return of the Beast, Part 2"
The Incredible Hulk 1x03, "Raw Power"
The Incredible Hulk 1x04, "Helping Hand, Iron Fist"
The Incredible Hulk 1x05, "Innocent Blood"
The Incredible Hulk 1x06, "Man to Man, Beast to Beast"
1997
Fantastic Four 2x01, "And a Blind Man Shall Lead Them"
Fantastic Four 2x02, "Inhumans Saga, Part 1: And the Wind Cries Medusa"
Fantastic Four 2x03, "Inhumans Saga, Part 2: The Inhumans Among Us"
Fantastic Four 2x04, "Inhumans Saga, Part 3: Beware the Hidden Land"
Fantastic Four 2x05, "Worlds Within Worlds"
Fantastic Four 2x07, "Prey of the Black Panther"
Fantastic Four 2x09, "Nightmare in Green"
Fantastic Four 2x10, "Behold, a Distant Star"
Fantastic Four 2x11, "Hopelessly Impossible"
The Incredible Hulk 1x07, "Doomed"
The Incredible Hulk 1x08, "Fantastic Fortitude"
The Incredible Hulk 1x09, "Mortal Bounds"
The Incredible Hulk 1x10, "And the Wind Cries, Wendigo!"
The Incredible Hulk 1x11, "Darkness and Light, Part 1"
The Incredible Hulk 1x12, "Darkness and Light, Part 2"
The Incredible Hulk 1x13, "Darkness and Light, Part 3"
The Incredible Hulk 2x01, "Hulk of a Different Color"
The Incredible Hulk 2x02, "Down Memory Lane"
The Incredible Hulk 2x03, "Mind Over Anti-Matter"
The Incredible Hulk 2x04, "They Call Me Mr. Fixit"
The Incredible Hulk 2x05, "Fashion Warriors"
The Incredible Hulk 2x06, "Hollywood Rocks"
The Incredible Hulk 2x07, "The Lost Village"
The Incredible Hulk 2x08, "Mission: Incredible"
Fantastic Four 2x06, "To Battle the Living Planet"
Fantastic Four 2x08, "When Calls Galactus"
Fantastic Four 2x12, "The Sentry Sinister"
Fantastic Four 2x13, "Doomsday"
Granted, this is just an educated guess.