On 14 April of that year they broke into the traditional demonstration for the Third Republic in the city of Madrid, carrying out a parade of combative aesthetics in honor of the fallen anti-fascists of the Civil War.

The PML(RC) would also participate in the general strikes that characterized the 2010–2012 period, and supported the creation of platforms against repression after the considerable increase in police charges and arrests during the peak of the mobilizations.

In 2013 they held their Second Congress, in which they would formalize their criticism of Maoism as an anti-Marxist current, as well as their anti-imperialist position regarding the US and China-Russia as 'two reactionary political-economic blocs' and 'contrary to progress' of the peoples'.

On 10 April 2015 the III Congress took place, in which they would be refounded as PML(RC), thus formalizing the qualitative change experienced in the organization and its extension to new areas in the rest of Spain, such as Barcelona or Tarragona.

After their return to Spain in July 2015 they were arrested[6] and accused of being part of the Kurdistan Workers' Party (PKK), considered a terrorist organization by the European Union.

[15] The FO also gained attention thanks to the Esperanza Obrera (Workers' Hope) initiative in the city of Valencia where, after occupying a building, they gave food to several hundred individuals as well as accommodation and labor advice.