DC Universe

The Mighty Crusaders Head to the DC Universe :
Well it seems that for those who can remember Impact /DC Comics The Mighty Crusader  I.E The Black Hood ,The Fly ,The Comet, Well as it is coming down  thru grape vine / comic book vine  (no pun intended guy ) and what better platform then DC's The Brave and the Bold comics where such team as  Suicide squad  IE The Brave and the Bold issue 25- 27  , as rumor also has it  DC has it  that they may spin them out  there own arc .

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Pre-Crisis

Prior to the Crisis on Infinite Earths story arc in the mid 1980s, the various characters of the DC Universe (often abbreviated to DCU) lived on alternate Earths in different dimensions. The Justice League Of America, for instance, could be found on Earth 1; while the Justice Society Of America was located on Earth 2. Not all the Earths had numbers, Captain Marvel and his allies were located on Earth S. Some heroes, such as Superman, were found on a number of Earths in one form or another. The Crisis arc helped to refine the often confusing multiple continuities of the DCU into one arc.

Post-Crisis

After the Crisis, many characters had their histories retconned to some degree. DC published new versions of the origins of major characters including [[Batman: Year One:char:42224]] and Man of Steel, The. Other characters, like the Flash, were relaunched. This continuity is still used by the DCU, though Infinite Crisis and 52 brought back the idea of multiple Earths.

Vertigo

Many characters from the DCU, such as Animal Man and Zatanna are also published under DC's Vertigo label. The trade works both ways, for example John Constantine first appeared in Vertigo's Saga of the Swamp Thing but has also appeared in the DCU. The Vertigo Universe's continuity with the DCU is unclear, though it is usually considered seperate as it is intended for a mature audience and may not be appropriate for some of the readers of the DCU.