This deck started out as a joke.

Then I played a few games with it, and realized that - after some tuning - I had a deck that was of comparable power to Fantastic Fun, with different strengths.

4x Invisible Woman - Invisible Girl
4x Mr. Fantastic - Reed Richards
2x Lacuna
10x Manhunter Soldier
1x Invisible Woman - Sue Storm
2x Mr. Fantastic - Stretch

4x Millenium
1x Marvel Team-Up
1x Metropolis

3x Antarctic Research Base

4x Flamethrower
4x Advanced Hardware
2x The Pogo Plane

4x A Child Named Valeria
4x Cosmic Radiation
4x Plans Within Plans
4x Manhunter Science
2x Signal Flare

WHY THE DECK IS WEAKER THAN FANTASTIC FUN:

1.) You are, obviously, dependent on your teamups, and thus you have a major weakness inherent in the deck. This is solved to an extent by keeping spare teamups facedown, but only to an extent.

2.) It is, in its own way, even HARDER to play than Fantastic Fun is.

WHY THE DECK IS STRONGER THAN FANTASTIC FUN:

1.) You draw more cards. Millenium + Manhunter Science + ARB is simply more efficient than straight ARB plus Thinking Outside The Box.

2.) The inherent weakness of regular Fantastic Fun is that it is viciously dependent on seeing multiple Childs Named Valeria and Cosmic Radiations in order to, you know, win the game. However, Funhunters has Plans Within Plans, which effectively acts as an additional four wildcards for your Childs, your Cosmics, and in certain circumstances your Manhunter Sciences. When you play Child Named Valeria three turns in a row? You almost always win the game. And Plans Within Plans lends you that level of redundancy.

3.) Your resource point management is easier because Manhunter Soldiers after turn 3 will effectively always cost you a mere 2 points apiece. When you have redundant access to Childs, a Soldier plus a Flamethrower is 3 resource points that can effectively take out a 5-drop by itself. The Manhunter Soldiers are frankly so cost-efficient that I am in fact considering tossing the Stretches for additional F4 low-drops or more Signal Flares.

4.) It is much, much cooler, because it is Reed Richards building a bunch of robot soldiers.

Seems very interesting!

I haven't tested it. Based on your comments, have you considered changing your team-ups to A Day Unlike Any Other. Your team-up would be protected, and that might help negate some of the Fantastic Fun weakness. You could also play Beetle to help you get the Team-Up. I know that would make a 3rd team. But when you use Beetle's ability, he'll be removed from the game to rid you of that troublesome third team. It seems to me like that would alleviate any team-up inconsistencies.

I've considered A Day Unlike Any Other, but truthfully it's difficult. Using Beetle as a tutor means dead slots (Lacuna, on the other hand, isn't a dead slot since you can use her for Signal Flares). Moonglow is too expensive, Beast doesn't work, and I don't want to lose Millenium's card draw.

I might do it by removing the Metropolis, adding 1x Day, and taking out the Pogo Planes for Beetle, but...

Ah! I know who you are now chdb! I turned in that L5R deckbox that had the Funhunters in it to the 10K guys for you. A couple Framistats may be a welcome addition to the deck in case you haven't got your team-up activate and you need to reinforce your Manhunter Soldiers.