This archetype is specifically tailored to work with Pathfinder's Hero Point system. Alternatively, if your DM allows it, it could just be a way for the fighter to gain something fun to use in a non-heroic campaign.
If used in a non-heroic campaign, here are my recommendations:
Heroic Fortune (As a feat) grants the fighter the ability to store 2 hero points and gives him 1.
Grant Improved Heroism at level 2, since this will be treated as a special resource pool for a fighter.
Effects like asking the DM a question is probably not going to work out, so instead talk to your DM about being allowed to use some swashbuckler deeds and/or make up some unique effects upon which you can spend those points. Just keep in mind, that unlike regular panache or grit, you can spend them to reroll any d20 and so on, making them a little more valuable at baseline.
Cheers.
Hero (Ex)
At level 1, the heroic fighter gains the Strong Comeback and Hero's Fortune feats.
This ability replaces the 1st level bonus feat.
Heroism (Ex)
At 2nd level, the fighter gains a bonus Hero Point as well as increasing the maximum amount of hero points the fighter can store by 1. These bonuses increase by 1 every 4 levels thereafter.
This ability replaces bravery.
Heroic Weapon Training (Ex)
This ability functions exactly like the classic weapon training, except the fighter picks only one weapon group. Each time a weapon training bonus is gained, the fighter's weapon is considered to have a +1 enhancement for the purpose of penetrating various forms of DR, but only if the weapon is of the designated weapon group.
Whenever the fighter scores a critical strike or reduces an enemy below 0 with a weapon from his chosen weapon group, the fighter gains a hero point.
This ability alters weapon training.
Improved Heroism (Ex)
At 6th level, the fighter regains half his hero points after resting for at least 2 hours.
Notes:
Strong Comeback: Gain a +2 bonus whenever you reroll any sort of d20 roll.
Hero's Fortune: Increase the maximum number of hero points you can store to 5 and gain a hero point.
Sounds good, but now I want a Cowardly Fighter Archetype.