RULES/STANDARD FIGHT SETTINGS
In most cases, the poster who originally set up the versus fight determines the conditions of the fight itself. However, in the cases where the original poster did not set down any contraints or conditions for the fight, then the match would default to the standard rules below.
01. Prep time: Neither side receives any notable prep time before the starting bell. Neither side may take any offensive or defensive actions before the starting bell. Planning is allowed and powers that are automatic or 'always on' can be up, but actions such as setting up forcefields, taking flight, or consciously activating powers is not. For example, Batman cannot shove together an 'anti-Avengers ray' before the fight.
01b. In the case of extended prep time: If you grant generic "preparation time" to a character, then that character is assumed to have access to his own resources and things he can create by himself in the allotted time. Powerstealing or other theft of the property of other characters is not allowed in standard prep time. Likewise, borrowing from teammates is not allowed as this does not reflect the character's own power. If you wish to allow this in your fight (for example: "Batman preps with the help of Superman, but then enters the arena alone".) then simply state this in your opening post.
02. Standard Equipment: Each side starts out with the equipment that they normally and have been shown to consistently carry on them. For example, Daredevil would have his billy-club, but Reed Richards would not have the Ultimate Nullifier.
In a scenario fight, the contestants in whose city/reality the fight takes place are allowed access to any material resources they usually have there or of any team they're active members of, as long as they can reasonably get to them. For example, in a scenario set in the DCU, Green Lantern would have access to equipment in the JLA Watchtower, but not the Titans headquarters.
03. Basic knowledge: Each side receives basic knowledge of the other. A good measure of this would be what the general population of the character's homeworld knows. For example, that Superman has a weakness to Kryptonite is general knowledge, but that he's Clark Kent is not.
04. Bloodlust: It is assumed that each contestant in the arena will fight to his/her best ability. That means they will use any powers at their disposal. For example, even though The Flash doesn't clock each of his own opponents in the first picosecond in his own comic, it is assumed that is a viable tactic on this board since it is an established fact that he possesses that level of speed.
It is also assumed that the characters fight at their optimum levels of ability - not explicitly weakened or unusually powered up for those who have variable power levels.
04b. Bloodlust and moral codes: Bloodlust disables a character's morality regarding personal beliefs that would hinder their ability to win. Batman will use deadly force the arena if necessary.
04c. Bloodlust is not literal: While it is named bloodlust for the sake of being dramatic, Rumbles's bloodlust is simply an overwhelming desire to win, it does not turn characters into raging berserkers and render impotent those who require a sound mind.
05. Setting: The default battle area is the Arena of Khazan, a colossal arena that looks somewhat like a Roman Amphitheatre. It is typically a 250 feet by 200 feet ellipse, though the size is adjustable in accordance to the size of the contestants; the opposing sides start out about 100 feet from one another. The walls of the arena are completely indestructible, but there is no dome - space tosses are a legitimate winning strategy. Likewise the ground is simple earth and is not protected, making burying the opponent a viable strategy in some cases.
06. No outside help: Unless specified otherwise, no contestant may call for outside assistance, even in scenario matches. For example, Captain America cannot call in the Avengers during a fight with Batman. The only case in which outside help is allowed is in the case of a passive effect. For example, a cleric that draws power from his god will still have that power in the arena.
06b. In the case of a scenario taking place in a specific location, it is still assumed by default that outside help is not allowed. A fight in Marvel New York will never be interrupted by other heroes or villains, unless the opening post specifies that this is the case.
07. Leaving the field: Combatants who leave the field of combat on purpose forfeit the match. If they are removed from the arena against their will (being punched, thrown, teleported, etc.) and can make it back under their own power, then they are still in the fight. Obviously, if a combatant leaves the field and cannot return under their own power, then they have lost.
08. Temporary incapacitation: Some characters are very difficult to permanently kill. As a general rule: If a character is present in the arena but rendered unable to fight for ten seconds (if he requires that long to regenerate for example), he is considered the loser by knock-out.
RUMBLES SPECIFIC TERMS
These terms and acronyms are frequently used on Rumbles, and it would be handy for you to learn what they mean before attempting to debate.
PIS
Plot Induced Stupidity, or PIS, is when characters don't use their abilities or skills to the fullest extent as shown before, even within their personality ranges, for the sake of the story plotline. It makes lesser powered characters an actual challenge against higher powered characters in the comics. Examples of PIS include Flash stories lasting longer than three panels, or Toy Man as a threat to Superman. PIS is always off on the Rumbles board, this is not modifiable by the opening poster.
CIS
Character Induced Stupidity, or CIS, refers to any natural mental limitations that characters impose upon themselves and reduce their ability to use their own skills and powers effectively. Unlike PIS, CIS does not occur because the plot requires it, but because the character is genuinely that dumb. Examples of the CIS-afflicted include characters such as Rhino or Jar Jar Binks. Standard CBR fights do not exempt the contestants from CIS, unless the opening poster wishes it so.
Spiderman vs. Firelord
Alternatively SvFL or SMvsFL, is a shorthand that refers to any time when a character performs a feat that their powers and skills should be blatantly insufficient for, and is not repeated or is rarely repeated again relative to the character's overall established career, as well as the character's opponents' established showings. In statistical terms, it is an outlier, something that is radically beyond the character's established capabilities. For example, Spiderman defeating a herald of Galactus is a case of the SvFL exemption; Val Armorr redirecting a blitzing Daximite (accurately) into another solar system is not, given his established capabilities and presentation.
For standard CBR fights, feats considered to fall under the SvFL exemption are not valid. Likewise, examples of writing which go against firmly set canon are also ignored. For example, in Larry Hama's run of Batman, Grell's run of Iron Man, and Beechen's run of Batgirl, all three characters were out of character and did things very much against established canon; therefore those runs are disregarded.
How shouldn't I debate?
"Batman can beat Thor because he's cooler!" That's an example of how not to debate. We would like to see the rationale behind any claims that one character can beat the other rather than a claim based on popularity and subjective bias.
Also, we insist that all claims be backed up by evidence from canon sources. If you claim that Spiderman is stronger than Superman, then you have to prove it.
What can't be taken for evidence in debate?
Non-canon sources are invalid for evidence. With rare exceptions, comics not in continuity such as Elseworlds, What Ifs, or alternate universes are not used for evidence in debates of a particular mainstream character.
Narrative hyperbole or speech hyperbole are also not considered valid evidence for a character's feats. As well, instances of PIS (plot induce stupidity - see below) and SvFL (Spiderman vs. Firelord - see below) are generally removed from consideration in standard versus debates.
What's a canon source?
A canon source is one that is regarded as being 'in continuity'. In the example of Star Trek; instances from the series and movies can be used, but books are definitely out. Comic book crossovers are generally unusable as they ignore common sense most of the time (DC vs. Marvel is certainly unusable in our debates!).
What is narrative hyperbole?
Narrative hyperbole is when the narrator of a comic book says one thing while the action drawn on the pages clearly show something else. Sometimes, in the case of speech hyperbole, it is a character who says one thing, while the pages show differently. This does not mean the narrator or the character is always wrong. It only means that in the case of such conflict, the actual scenes overrule the narrator or character text. An example of this would be the Ten-Eyed Man, who Batman and the narrator called "the most dangerous man alive", and who was actually a very lame and low-powered character.